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Old June 27th, 2011, 08:27 PM   #1 (permalink)
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Default "Fast Boot" - on or off?

It's my understanding that HTC is simply putting the phone in to a deep hibernation mode when turning the phone off and "Fast boot" is enabled. Are there any disadvantages to this? Extra power draw? Memory footprint? Since we are sometimes told to power cycle our phones when offending apps or other various problems are occurring, will this not be as effective when "fast boot" is enabled?

It appears that the "Restart" option seems to be doing a full power down cycle so maybe this is a moot point (I could be wrong here, though).

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Old June 27th, 2011, 09:59 PM   #2 (permalink)
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depends on what you want out of the devivce.

it says some apps in the market wont work properly if fast boot is set to on. i personally DISABLE fastboot so that the handset plays nice with all the apps and 3rd party apps...
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Old July 8th, 2011, 01:35 PM   #3 (permalink)
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Quote:
Originally Posted by kinetic View Post
It's my understanding that HTC is simply putting the phone in to a deep hibernation mode when turning the phone off and "Fast boot" is enabled. Are there any disadvantages to this? Extra power draw? Memory footprint? Since we are sometimes told to power cycle our phones when offending apps or other various problems are occurring, will this not be as effective when "fast boot" is enabled?

It appears that the "Restart" option seems to be doing a full power down cycle so maybe this is a moot point (I could be wrong here, though).
On my EVO 3D Fastboot causes the native battery app to "NOT" reset Uptime or Awake time displays if you turn off the phone or rechange, however if Fastboot is turned "OFF" then all apps stored on the SD card will have android icons once you power off then restart instead application icons :-(
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Old July 8th, 2011, 01:51 PM   #4 (permalink)
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Fast Boot doesn't allow the unit to fully power down, even if you tell it to power off. Fast Boot just goes into a very low power sleep mode. So, when you turn it back on, it is still partially loaded into memory and can load faster.

Personally, I didn't like it. I wanted the thing to turn completely off if I elected to turn it fully off without removing the battery. I also noticed that my LCD screen did not turn off. I could see the slight haze of the LCD backlight remaining on. Like if you unplug a LCD monitor.
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Old July 8th, 2011, 02:16 PM   #5 (permalink)
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I rarely need to reboot. I keep mine on fast boot unless I know I need access to the bootloader (which I won't until the phone is rooted).
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Old July 8th, 2011, 03:31 PM   #6 (permalink)
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Originally Posted by Twohype View Post
On my EVO 3D Fastboot causes the native battery app to "NOT" reset Uptime or Awake time displays if you turn off the phone or rechange, however if Fastboot is turned "OFF" then all apps stored on the SD card will have android icons once you power off then restart instead application icons :-(

to fix the icons issue just change your skin then change it back and the icons are normal again
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Old July 8th, 2011, 03:33 PM   #7 (permalink)
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Originally Posted by jerofld View Post
Fast Boot doesn't allow the unit to fully power down, even if you tell it to power off. Fast Boot just goes into a very low power sleep mode. So, when you turn it back on, it is still partially loaded into memory and can load faster.

Personally, I didn't like it. I wanted the thing to turn completely off if I elected to turn it fully off without removing the battery. I also noticed that my LCD screen did not turn off. I could see the slight haze of the LCD backlight remaining on. Like if you unplug a LCD monitor.
Hmmm. If that doesn't dissipate after a few seconds, something is not right at all. When the unit enters deep sleep, that display ought be completely dark. Mine is.

Fast boot is indeed sleep mode, keeping a small power supply to the silicon so that over time it doesn't suffer repeated full-power turn-on shocks that can diminish lifetime. It also keeps ram alive so that you can just go to your notification bar and all is as it was.

The display backlight ought be completely dead.
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Old July 8th, 2011, 04:34 PM   #8 (permalink)
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Hmmm. If that doesn't dissipate after a few seconds, something is not right at all. When the unit enters deep sleep, that display ought be completely dark. Mine is.

Fast boot is indeed sleep mode, keeping a small power supply to the silicon so that over time it doesn't suffer repeated full-power turn-on shocks that can diminish lifetime. It also keeps ram alive so that you can just go to your notification bar and all is as it was.

The display backlight ought be completely dead.
I thought so, too. Kinda defeats the purpose of a low-powered mode if the display is still energized. But, I have hard reset the phone since I tried fast boot. So I just tried it again and now I can see the screen fully deenergizes. Something must have been screwy before. Yay hard reset.
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Old July 8th, 2011, 09:50 PM   #9 (permalink)
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Ok so I'm a little confused about this Fastboot thing. If something isn't right with my phone and I want to restart it to fix it, should I leave Fastboot on or turn it off?
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Old July 8th, 2011, 10:03 PM   #10 (permalink)
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Leave Fastboot on if you like, the Restart works as the name implies, ram will be cleared.
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Old July 8th, 2011, 10:29 PM   #11 (permalink)
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Off for me. When I want to power off or restart my phone, I want it off
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Old July 9th, 2011, 03:03 AM   #12 (permalink)
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I thought so, too. Kinda defeats the purpose of a low-powered mode if the display is still energized. But, I have hard reset the phone since I tried fast boot. So I just tried it again and now I can see the screen fully deenergizes. Something must have been screwy before. Yay hard reset.

That happened to me just last night, powered down (with fast boot enabled) with 75% charge, when I woke and went to turn the phone on I noticed the screen was black but "lit" after booting up the battery was at 17%....only happened once so far.
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Old July 9th, 2011, 03:13 AM   #13 (permalink)
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Off for me. When I want to power off or restart my phone, I want it off
Agreed... I never turn it off anyway so it sounds like this wouldn't benefit me.
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Old July 9th, 2011, 10:31 AM   #14 (permalink)
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Originally Posted by jerofld View Post
Fast Boot doesn't allow the unit to fully power down, even if you tell it to power off. Fast Boot just goes into a very low power sleep mode. So, when you turn it back on, it is still partially loaded into memory and can load faster.

Personally, I didn't like it. I wanted the thing to turn completely off if I elected to turn it fully off without removing the battery. I also noticed that my LCD screen did not turn off. I could see the slight haze of the LCD backlight remaining on. Like if you unplug a LCD monitor.
I also noticed that the backlight of the LCD stayed on after using fastboot on the Sprint store demonstration model. It did, however, finally shut off after about ten or fifteen seconds.

That is strange that yours just stayed on. To be honest, I do not mind waiting the minute or so it takes to fully reboot my handset anyway.
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Old July 9th, 2011, 11:28 AM   #15 (permalink)
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That was fixed by hard reset, something was tangled.
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Old July 20th, 2011, 01:27 PM   #16 (permalink)
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Default Recommendation - turn off "Fast Boot" option

I tried to download / install Google Voice onto my Evo 3D today. After download and install, I could not get Google Voice to run at all. I was truly mystified as to why it wouldn't run.

Then I remembered reading somewhere about "Fast Boot" setting, and I checked under "Menu > Settings > Power" and sure enough Fast Boot was checked on by default.

I unchecked it, rebooted my Evo 3D. Then I got a Swiftkey X error that the language module couldn't be loaded. Then I rebooted one more time, and the Swiftkey X error went away - it ran fine. Then I tried Google Voice, and voila, it worked!!

IMHO this "Fast Boot" option is an unnecessary headache that can cause issues for users, the vast majority of whom will not know that this little setting is the culprit for their app issues.

IMHO this setting should be unchecked, and left off by default. We all want problem free experiences with our phones, and this "feature" causes more headaches than what ever benefit it may bring.

On another note - this Evo 3D is blazing fast!!! I really am appreciating how fast it is. I have been utterly spoiled by the responsiveness.

I used to think my Samsung Epic was fast, and my Evo 4G running CM7 was really fast. But in comparison to the Evo 3D, the Epic is really "slow", and the Evo 4G is definitely not as fast.

It's all relative I guess. When I switched from my Samsung Moment to the Epic, I was blown away by the speed improvement, and the Evo 4G as well. But the Evo 3D's CPU and power is no gimmick - it is mind numbingly fast!!
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Old July 20th, 2011, 02:19 PM   #17 (permalink)
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Have you tried Restart for your reboot needs?

I use Fastboot and have so far found that the only things that Restart wouldn't cure required a battery pull. But - I'm just one guy.
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Old July 20th, 2011, 02:21 PM   #18 (permalink)
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Have you tried Restart for your reboot needs?

I use Fastboot and have so far found that the only things that Restart wouldn't cure required a battery pull. But - I'm just one guy.
Do you mean regular Restart option when rebooting, or are you referring to an app?

I don't recall definitively but I think I did use Restart option (long pressing the power button).
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Old July 20th, 2011, 03:32 PM   #19 (permalink)
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Yep, long press the power button, last option in the list.
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Old July 20th, 2011, 06:07 PM   #20 (permalink)
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Yep, long press the power button, last option in the list.
LOL thanks for clarifying. I do use Restart.
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