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Old November 6th, 2009, 03:48 PM   #1 (permalink)
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Default OpenGL working on Galaxy (II5)

on android-hilfe.de I just found:

OpenGl ES Auf dem I7500!! Ja es geht wirklich - Android-Hilfe.de

I tested it and it works - i can run opengl games fluently on my samsung galaxy now.

For those of you who can't read German: you can get opengl hardware acceleration working on the samsung galaxy on II5 and probably any other version by copying the libhgl.so from a htc G1 device.

Unfortunately the only way to legally do this is probably by owning a HTC device, but there are some HTC system/recovery images available for download, from the HTC website. Be sure to download the OTA image as it contains the files directly and you can just copy the libhgl.so file directly.

Root your phone, remount the /system filesystem as read/write, then copy the HTC libhgl.so to /system/lib/libhgl.so . Reboot phone.

Now you'll have openGL hardware acceleration!

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Old November 6th, 2009, 04:29 PM   #2 (permalink)
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Sounds great. I'll have to try this later.
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Old November 6th, 2009, 04:46 PM   #3 (permalink)
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If you grab the 'ota' versions from here you don't need to mess about with unyaffs

HTC - Developer Center
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Old November 6th, 2009, 05:12 PM   #4 (permalink)
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If you grab the OTA versions you'll get a ZIP file with a 'system.img'. This is actually an image of a yaffs2 file system. If you run windows, you'll need unyaffs even with these images to load them. If you run linux, you might be able to just mount them.
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Old November 6th, 2009, 05:16 PM   #5 (permalink)
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No, the OTA ones have boot.img, radio.img and the system directory inside them. So there's no need for yaffs. Those are the ones ending -ota.zip and labelled recovery image

I used signed-google_ion-ota-14721.zip myself even tho its for 1.6

PS. great find.. the difference in speed forge is dramatic!
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Old November 6th, 2009, 05:42 PM   #6 (permalink)
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Indeed, you can just copy out the libhgl.so file from the OTA rar.

You should edit your first post


Excellent 3D performance! Speed Forge is no longer broken!

I fell like I owe you an apology kam187 when I said that 3D games were running fine on G8. The truth is I flashed the phone from G8 to Hx on the first day I had it
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Old November 6th, 2009, 05:46 PM   #7 (permalink)
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Heheh its ok. Luckily i didnt take time out to investiagte it! Now lets wait for the behold and see how this cube thing runs!
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Old November 6th, 2009, 05:51 PM   #8 (permalink)
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1.6 and 1.5 OTA both contain the same libhgl.so! Just checked their respected hashes


Edit:
Wow, checked all the games, the speedup is amazing. Love it.
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Old November 6th, 2009, 06:01 PM   #9 (permalink)
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Tips on good games?
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Old November 6th, 2009, 06:16 PM   #10 (permalink)
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Here are some lovely 3D ones (all demos/light). Good for wasting time while waiting at places

labyrinth lite - accelerometer based game (get the ball from A to B)

Blockx 3D - 3D tetris

Light racer 3D - tron style racing with light bikes

Speed Forge 3D - easily the best 3D game so far (graphically), gameplay is also nice

If you want an addicting game, check out Farm Frenzy, it's not 3D but it should be illegal to make such addicting games
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Old November 6th, 2009, 06:33 PM   #11 (permalink)
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can you post the exact command to push this file?

thanks
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Old November 6th, 2009, 06:37 PM   #12 (permalink)
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Its on the link to the german forum OP provided.

adb remount
adb push [location of file] /system/lib/libhgl.so

This worked for me. I saved the previous version of libhgl with the pull command. But I don't think anyone will be needing that

Edit:
We should condense all the information we learned into a nice wiki. The community has fixed most of the problems with the device.
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Old November 6th, 2009, 09:07 PM   #13 (permalink)
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Now I'm wondering why Samsung didn't include their own opengl library. Then again... they have messed up NPS and the firmware...
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Old November 7th, 2009, 02:22 AM   #14 (permalink)
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Quote:
Originally Posted by tisti View Post
Its on the link to the german forum OP provided.

adb remount
adb push [location of file] /system/lib/libhgl.so

This worked for me. I saved the previous version of libhgl with the pull command. But I don't think anyone will be needing that

Edit:
We should condense all the information we learned into a nice wiki. The community has fixed most of the problems with the device.
whatever happened to galaxy essentials?

I mean if you want i can upload wiki software to my webhost and give the people here like yourself, KAM, pegasus etc access to add wiki info and upload software/firmware etc
so we can just have one central database

i have about 8 gig of space left and my bandwidth is 300gb per month so plenty of space :P
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Old November 7th, 2009, 02:37 AM   #15 (permalink)
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This is an amazing discovery. Any idea why Samsung left it out? Is it
possible that it conflicts with something else?
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Old November 7th, 2009, 03:30 AM   #16 (permalink)
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wow, armadill roll works and shizzle. lol at samsung fail and community win
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Old November 7th, 2009, 03:56 AM   #17 (permalink)
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Great find!

Pulled the file off a 1.5 AVD with the system image from the HTC OTA firmware installed (one that lets me use the market from the emulator). Remounted the file system on my galaxy and pushed the file onto it (after backing up the old one). The first game I bought, Super-G Stunt, now works as it did when I had the original firmware.
Galaxo v1.1 anyone?

Q. Are Samsung really that clueless???
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Old November 7th, 2009, 04:11 AM   #18 (permalink)
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What if we pulled the old file from the G8 firmware and used that? (is it different?), would it work?
If so, it would stop us infringing HTC's rights etc.
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Old November 7th, 2009, 04:20 AM   #19 (permalink)
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Thanks, pieter, for this prize catch!
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Old November 7th, 2009, 04:48 AM   #20 (permalink)
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Quote:
Originally Posted by UKLooney View Post
What if we pulled the old file from the G8 firmware and used that? (is it different?), would it work?
If so, it would stop us infringing HTC's rights etc.
thats actually a good point
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Old November 7th, 2009, 05:12 AM   #21 (permalink)
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Indeed it's a very good point. I just went back to my IFF backup and I see that file too.

Will be checking if it's the same byte for byte as the one in the HTC rom.

Ok. No need for an indepth compare. The file sizes are different. The one on HTC is quite a bit bigger.

Now what's left is to test it on the device. If I ever get to it, I'll post what I find here.
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Old November 7th, 2009, 05:46 AM   #22 (permalink)
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Omg!!! Thats was a copy/paste... I think this explains a lot of weird things with our devices and the samsung support.
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Old November 7th, 2009, 05:53 AM   #23 (permalink)
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It sounds like they took a stock qualcomm build and fiddled with it till it worked Instills alot of confidence eh!
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Old November 7th, 2009, 05:55 AM   #24 (permalink)
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... and accidentally deleted the opengl library during the process. LOL.
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Old November 7th, 2009, 07:37 AM   #25 (permalink)
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Quote:
Originally Posted by pegasus21 View Post
... and accidentally deleted the opengl library during the process. LOL.
looks that way
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Old November 7th, 2009, 08:12 AM   #26 (permalink)
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The library was on the phone. It was however 40% smaller then the G1 library.

Could it be, that Samsung left the software-accelerated library on the phone instead of the hardware one? ;-;
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Old November 7th, 2009, 04:01 PM   #27 (permalink)
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Works great thanks, i thought it was a hardware issue

Quote:
Originally Posted by UKLooney View Post
Great find!

Pulled the file off a 1.5 AVD with the system image from the HTC OTA firmware installed (one that lets me use the market from the emulator).
were you able to install the Market on the emulator? Can you please give me some more details on this?
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Old November 7th, 2009, 05:58 PM   #28 (permalink)
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Samsung Galaxy odd OGL ES hardware acceleration [RESOLVED] :: anddev.org - Android Development Community | Android Tutorials

It seems that there's software renderer default here, but there's a way to access hardware one in apps though. I'm not a programmer, leaving link in hope you will understand more from that thread than me.
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Old November 7th, 2009, 07:15 PM   #29 (permalink)
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Quote:
Originally Posted by lazarus101 View Post
were you able to install the Market on the emulator? Can you please give me some more details on this?
Android Tips: Android Market on Emulator
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Old November 8th, 2009, 09:30 AM   #30 (permalink)
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Im pretty delighted about this. Quick question though, is it only ii5 that this fix works with, or for instance could i root my h8 galaxy and just throw the file across?

I just still havent upgraded to ii5 more due to the hassle of backing up all my apps etc and then re-installing everything! Oh eh, on that, just rooting my galaxy and not loading new firmware wouldnt wipe everything would it??

edit: actually after just watching a video of galaxhero im going to have to get it! Do i need to flash to ii5 first to put it on?
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Old November 8th, 2009, 09:51 AM   #31 (permalink)
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Quote:
Originally Posted by spottyelephant View Post
Im pretty delighted about this. Quick question though, is it only ii5 that this fix works with, or for instance could i root my h8 galaxy and just throw the file across?

I just still havent upgraded to ii5 more due to the hassle of backing up all my apps etc and then re-installing everything! Oh eh, on that, just rooting my galaxy and not loading new firmware wouldnt wipe everything would it??

edit: actually after just watching a video of galaxhero im going to have to get it! Do i need to flash to ii5 first to put it on?
you do need to flash ii5 first

that graphics fix should would with any firmware version
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Old November 8th, 2009, 09:55 AM   #32 (permalink)
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Quote:
Originally Posted by Rastaman-FB View Post
you do need to flash ii5 first

that graphics fix should would with any firmware version
What happens when android 2.0 comes out if ur on galaxhero - will the guy need to rebuild, or can it just go in "underneath" it??
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Old November 8th, 2009, 10:50 AM   #33 (permalink)
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Quote:
Originally Posted by spottyelephant View Post
What happens when android 2.0 comes out if ur on galaxhero - will the guy need to rebuild, or can it just go in "underneath" it??
you have to manually update this device anyway so when 2.0 comes out it will arive via nps probably. there for you can use odin or what ever tool is out by that point to load 2.0 firmware on
this is a long way away though

worst case scenario is you flash it to an official samsung rom via odin with csc and use nps to update to the 2.0 firmware
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Old November 8th, 2009, 12:32 PM   #34 (permalink)
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Quote:
Originally Posted by UKLooney View Post
thanks a lot, it worked

Quote:
Originally Posted by spottyelephant View Post
Im pretty delighted about this. Quick question though, is it only ii5 that this fix works with, or for instance could i root my h8 galaxy and just throw the file across?
I'm on H8 and this fix worked for me.
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Old November 8th, 2009, 01:46 PM   #35 (permalink)
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Samsung have fired their developer department because the 'droid community fixes their stuff quicker.

Nice one folks!
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Old November 8th, 2009, 04:26 PM   #36 (permalink)
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I was joking Rastaman
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Old November 8th, 2009, 04:31 PM   #37 (permalink)
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Quote:
Originally Posted by hippy View Post
I was joking Rastaman
i realised instantly and called myself a **** and deleted my post lol
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Old November 8th, 2009, 04:35 PM   #38 (permalink)
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I thought so. I got the email notification, posted and then your post vanished.
Watch out for those notification emails
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Old November 8th, 2009, 04:36 PM   #39 (permalink)
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Quote:
Originally Posted by hippy View Post
I thought so. I got the email notification, posted and then your post vanished.
Watch out for those notification emails
hehe i turned off subscriptions as im a mega poster so i just get spammed
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Old November 8th, 2009, 07:16 PM   #40 (permalink)
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where do you get libhgl.so file?
i havent rooted my phone yet, but will try to do it tomorrow and then most probably will try do something with it
should i go for any custom built rooms (galaxHero or sthn like that) and which one would be best? or should i just update it to II5 firmware as im currently on H8. i just want to get the most of my phone (speed, battery)
any advice?
will just have to find out how to root it first hehe
by the way will rooting wipe all my data on phone or just allow root permission?
thanx
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Old November 9th, 2009, 03:27 AM   #41 (permalink)
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Quote:
Originally Posted by gie62001 View Post
where do you get libhgl.so file?
i havent rooted my phone yet, but will try to do it tomorrow and then most probably will try do something with it
should i go for any custom built rooms (galaxHero or sthn like that) and which one would be best? or should i just update it to II5 firmware as im currently on H8. i just want to get the most of my phone (speed, battery)
any advice?
will just have to find out how to root it first hehe
by the way will rooting wipe all my data on phone or just allow root permission?
thanx
That's hilarious. You are literally in the exact same position as me yesterday, asking the exact same questions!

You'll have to upgrade the firmware to ii5 from h8 (i was on h8 too), then i'd recommend galaxhero. I finally got it on my phone at 12pm last night so havent had much chance to play with it, but speed is noticeably different in places, particularly in the keyboard typing.
With regards to the whole process, i'd have a good read through the "How to Odin and Galaxo rom" thread in this forum. The initial instructions are on the first post, and then every possible problem is encountered and listed by me and troubleshooted by devan and rastaman, so there's a comprehensive guide there. Though with any luck you won't experience the driver issues i had which will make things WAY easier.

Oh and yes, it will wipe everything. What i did was download astro file manager, do a backup, mount the phone on the computer, copy/paste the backup folder onto my desktop, and do the same with my photos. (Havent loaded back on yet). Also, just ensure your contacts are synched with gmail so you can pull them down again after.
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Old November 9th, 2009, 03:50 AM   #42 (permalink)
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Not working on H5.
I didn't use adb because my Windows 7 x64 doesn't recognize my galaxy.
So I used a different method.
Steps I did:

1. downloaded the libhgl.so to my galaxy using the android browser.
2. used root explorer to mount the system/lib to r/w.
3. Changed the system/lib permissions to 777
4. renamed the original libhgl.so to libhgl.so.bak
5. using astro I copied the new libhgl.so to system/lib
6. reversed all permissions and mountings
7. rebooted
8. tried armadillo roll and speed forge 3d, the textures are still broken and it's slow.

I don't understand why doesn't it work, the 3d acceleration is handled by linux no? maybe there's another lib file to change in order to make it work with the H5 firmware?
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Old November 9th, 2009, 04:14 AM   #43 (permalink)
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Quote:
Originally Posted by giladgaron View Post
Not working on H5.
I didn't use adb because my Windows 7 x64 doesn't recognize my galaxy.
So I used a different method.
Steps I did:

1. downloaded the libhgl.so to my galaxy using the android browser.
2. used root explorer to mount the system/lib to r/w.
3. Changed the system/lib permissions to 777
4. renamed the original libhgl.so to libhgl.so.bak
5. using astro I copied the new libhgl.so to system/lib
6. reversed all permissions and mountings
7. rebooted
8. tried armadillo roll and speed forge 3d, the textures are still broken and it's slow.

I don't understand why doesn't it work, the 3d acceleration is handled by linux no? maybe there's another lib file to change in order to make it work with the H5 firmware?
it should work, i wouldnt ever do it on the phone
ADB does work on windows 7 x64, ive done it and explained it many times
when debugging is enabled connect the device and open device manager on windows 7. manually update device driver and select from list, select have disk, select location of x64 driver in the android 1.5 r3 sdk, select ADB testing interface.

adb then works

you will have to do it in recovery unless you have a proper rooted kernal like galaxo.
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Old November 9th, 2009, 05:10 AM   #44 (permalink)
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Indeed, you can just copy out the libhgl.so file from the OTA rar.

You should edit your first post


Excellent 3D performance! Speed Forge is no longer broken!

I fell like I owe you an apology kam187 when I said that 3D games were running fine on G8. The truth is I flashed the phone from G8 to Hx on the first day I had it
What did you use to extract the libhgl.so file from the system.img?

I downloaded signed-google_ion-ota-14721.zip, but winrar doesnt seem to be able to prise open the img file!
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Old November 9th, 2009, 05:31 AM   #45 (permalink)
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it should work, i wouldnt ever do it on the phone
ADB does work on windows 7 x64, ive done it and explained it many times
when debugging is enabled connect the device and open device manager on windows 7. manually update device driver and select from list, select have disk, select location of x64 driver in the android 1.5 r3 sdk, select ADB testing interface.

adb then works

you will have to do it in recovery unless you have a proper rooted kernal like galaxo.
I don't see a problem with changing system files directly on the phone, linux is linux.
I know that ADB works on 7 x64, I just can't seem to make it work.

What will I have to do in recovery mode? I have rooted my phone with the recovery image, I've just never updated my firmware to anything higher because then I'll loose the RTL support my cellular provider has developed for my phone.

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Originally Posted by spottyelephant View Post
What did you use to extract the libhgl.so file from the system.img?

I downloaded signed-google_ion-ota-14721.zip, but winrar doesnt seem to be able to prise open the img file!
there should be a system directory in the zip, so you don't need to extract the system.img, just copy/paste from the zip files.

Anyone with H5 got it to work?
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Old November 9th, 2009, 05:42 AM   #46 (permalink)
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there should be a system directory in the zip, so you don't need to extract the system.img, just copy/paste from the zip files.
Nope, there's only 5 things in that zip i downloaded:
- android-info.txt
- boot.img
- recovery.img
- system.img
- userdata.img

Perhaps i downloaded the wrong zip.

PS, sorry i cant help you with your problem - im not that good yet!

Edit: Found it! The zip you need to download is actually the recovery image signed-google_ion-ota-14721.zip

The file was in there - it's about 521kb in size, is that correct??
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Old November 9th, 2009, 05:57 AM   #47 (permalink)
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Perhaps i downloaded the wrong zip.
Here you go: RapidShare: 1-CLICK Web hosting - Easy Filehosting
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Old November 9th, 2009, 06:36 AM   #48 (permalink)
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Merci buckets.
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Old November 9th, 2009, 07:50 AM   #49 (permalink)
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I don't see a problem with changing system files directly on the phone, linux is linux.
I know that ADB works on 7 x64, I just can't seem to make it work.

What will I have to do in recovery mode? I have rooted my phone with the recovery image, I've just never updated my firmware to anything higher because then I'll loose the RTL support my cellular provider has developed for my phone.

Anyone with H5 got it to work?
right, SU doesnt mean you have a adb root there for the remount command will not work
you can only use adb remount if you are in recovery or have a rooted kernal

SU is not a rooted kernal its logged in as super user but its still restictive as if you use ADB when device is booted in normal and you type adb remount it will tell you you cannot do it on live operation

what you are doing using a file browser will not work regardless of what permissions you are setting

fix your driver problem, boot into the modified recovery and run the commands correctly

it shouldnt matter what firmware you are on as the file is not even from our device however it uses the same hardware acceleration and chipset as the dream and thats why it works.
the previous file was incomplete and didnt work and so graphics were being software driven rather than hardware driven due to them messing up the file
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Old November 9th, 2009, 08:20 AM   #50 (permalink)
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right, SU doesnt mean you have a adb root there for the remount command will not work
you can only use adb remount if you are in recovery or have a rooted kernal

SU is not a rooted kernal its logged in as super user but its still restictive as if you use ADB when device is booted in normal and you type adb remount it will tell you you cannot do it on live operation

what you are doing using a file browser will not work regardless of what permissions you are setting

fix your driver problem, boot into the modified recovery and run the commands correctly

it shouldnt matter what firmware you are on as the file is not even from our device however it uses the same hardware acceleration and chipset as the dream and thats why it works.
the previous file was incomplete and didnt work and so graphics were being software driven rather than hardware driven due to them messing up the file
I'm sorry, I don't understand your explanation.
I successfully override the original libhgl.so file with the fix file and after that I reboot my phone. where does the old version loads from?

Isn't the adb mounting is only for allowing r/w access? In an app called "Root Explorer" there's an option to mount a directory from r/o to r/w and backwards.

Thanks for the explanation.
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