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**Bootlooping Network Problem FIX INSIDE**Support


  1. jayochs

    jayochs Well-Known Member

    Short answer:
    1.) Take back cover off; boot up phone
    2.) in dialer, put in *#*#4636#*#*
    3.) hit Phone Info
    4.) Set dropdown to CDMA EVDO/LTE - Auto

    I posted this on XDA right now because I just ran into this error, but here's my entire post, with the fix included, for anyone who when they just reset their phone, it began to bootloop (or load up to sense for 1 second, then reset itself every single time with the battery cover on):

    i had no problems. NONE.

    i decided to do a fresh restart of my phone so i poewred it down, and did a battery pull after the phone was completely off. turned it back on, gets to lock screen, i unlock......sits..loading...screen goes black, and whattya know, white HTC splash screen. a few times. it's *** **** bootlooping FOR NO REASON. this is just absolutely wonderful!!!!!!!!!!


    i think it lasted longer without the cover on the back, meaning theres something up with the network....i remember reading about this, it bootlooped with the back cover ON...anyone remember hearing that too?





    EDIT* this WORKED! anyone who has this issue please do the following: (source http://www.droidforums.net/forum/htc...boot-loop.html)

    STEP 1: TAKE BACK COVER OFF. it will load into sense and not reboot now.

    *#*#4636#*#* Under phone info you will find that the network is factory set to WCDMA Preferred... I guess the SIM card decides sometime along the way that it doesn't like that much... Setting the network to CDMA EVDO/LTE - Auto completely corrects the problem


    another poster said that after you do this, hit home, power down the phone, pull sim card out, put it back in, then reset it. i didn't do this; i just went back, put the battery cover on, it froze like usual, reset itself, and now it's working perfectly. holy hell this g*d d*mn phone just gave me a heart attack!

    for some reason, this is what happens: under phone info, as it says, it will reset to WCDMA Preferred for NO reason whatsoever! this must have happened when i shut my phone down; other people are reporting that doing "reboot" does this frequently for them! this is the first time in my month of ownership i saw this happen, so this was new to me...but thankfully, we have a fix!

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    nepsound, zerbgz123, fatray and 8 others like this.
  2. Helenoftroy08

    Helenoftroy08 Well-Known Member

    I also had the boot loop problem with this information set to CDMA auto (PRL)...
  3. jayochs

    jayochs Well-Known Member

    weird! this fixed it for me, though, and a few others. hmm.

    there's more than1 reason for a bootloop obv lol but atleast now you can check to see if THIS is the cause, ya kno?
  4. Helenoftroy08

    Helenoftroy08 Well-Known Member


    True! And I should have been more clear...using the CDMA/LTE option i have NOT had this problem. I think that either CDMA option mite cause problems for me, I dont think my particular phone likes 3g!
  5. cannadroid6203

    cannadroid6203 Active Member

    HA!

    You solved my problem. My first rezound had other issues, they swapped it and everything was working fine. Then the "bootlooping" started, which I mistook as my phone taking a giant crap. The fix worked perfectly! Thanks for sharing...
  6. jayochs

    jayochs Well-Known Member

    :D

    believe me, i almost had a heart attack when this happened to mine. seriously. i didn't know what to do lol
    cannadroid6203 likes this.
  7. Kane5581

    Kane5581 Well-Known Member

    The phone automatically goes into cdma only when the power setting is set to economy, and will not go back unless change manually.
  8. jayochs

    jayochs Well-Known Member

    yeah, this is diffferent. WCDMA is another setting that's only found in that secret menu. when set to WCDMA, the phone will not power up. i've got mine set to CDMA only in the normal settings menu.
  9. TxGoat

    TxGoat Guest


    I'm guessing there's no hardware in the phone to support this setting. Not sure why they would include this setting as well as the World setting on the phone. Someone should try throwing an AT&T or T-mobile SIM card and report back.
    jayochs likes this.
  10. Hey guys...Just had the boot loop issue start last night and wanted to weigh in with my thoughts. I pulled the sim card and did the "*#" thing and all seemed to work. I was set to WCDMA PREFERRED, and as soon as I set it back to auto, everything was good to go. The one thing I did different yesterday was use data while talking on the phone. I was set to CDMA only when I did this. The phone worked fine the rest of the night, but as soon as I switched batteries, it went into boot loop. My theory is that as soon as we try and do simultaneous data/talk on 3g, it changes the setting to WCDMA PREFERRED. Then when you try to reboot the phone, the Sim card doesn't recognize this. I'm curious to know if anyone else was doing data/talk before they went into boot loop.
  11. jayochs

    jayochs Well-Known Member

    nope. i didn't take any calls during that period before I rebooted. i turned it off, pulled the battery out, put it back in, restarted it and I looped.
  12. cannadroid6203

    cannadroid6203 Active Member

    Are you a Verizon customer? I am and cant use data and talk at the same time. Are you a root user?
  13. jayochs

    jayochs Well-Known Member

    do you have a rezound? or thunderbolt? if so, yes, you can. 3g stays on during a call. htc phones are the only ones that do it.
    cannadroid6203 likes this.
  14. cannadroid6203

    cannadroid6203 Active Member

    Nice. I had no idea...
  15. daffy113

    daffy113 Well-Known Member

    How would you get into the dialer when the phone reboots as soon as you get back up.
  16. jayochs

    jayochs Well-Known Member

    take the back cover off, that gets no signal
  17. anr311

    anr311 Active Member

    Woke up this morning and my phone was bootlooping.

    Did a couple of battery pulls but couldn't remember the process to get into the bootloader page (had a samsung fascinate previously and haven't had to do this with my rezound yet)

    After a few battery pulls it wouldn't boot anymore, would just stick on the HTC page. Even when it was booting, as soon as I unlocked to do the steps above, it would shut back down.

    Called Verizon and they didn't know how to get into the bootloader, either (!) so they're sending me a new phone.

    Just curious if there is anything I can do - especially since I haven't backed up in a while (dumb, I know).

    When I click Factory Reset, FastBoot or Recovery in the bootloader the phone simply shuts off.

    Any ideas?
  18. ckar

    ckar Well-Known Member

    I had the exact same problem this morning. The tech had me hold down the down volume rocker when the phone is on the white HTC screen. It then goes to a white screen with little Androids on the bottom. We ended up using the volume rocker to scroll down to Factory Reset and selected it with the power button. The phone is now fresh and working. We'll see what the next few weeks hold! I am considering running through the CDMA process outlined above, even though the phone is working normally now...
  19. TxGoat

    TxGoat Guest

  20. anr311

    anr311 Active Member

    Update - now my phone won't do anything. Just dead. :(

    I didn't add any new apps, didn't do anything to it at all - just woke up to the bootloop.
  21. TxGoat

    TxGoat Guest

    Have you removed the battery, the sim card, the SD card and held the power button for about 10 seconds? Once you do that, install the battery, power it up, if it powers up, power it down, remove battery, install the SIM AND the battery, does it power up? Power it down and finally install the Battery, SIM, AND the SD card and see if it powers up.
  22. trophynuts

    trophynuts Well-Known Member

    have you guys tried this to fix your boot looping issue?


    With the sim card out, go to your dialer and type # *#*4636*#*#, then click on phone settings. Change it to AUTO LTE/CDMA. Then just back out of the menus...
  23. jayochs

    jayochs Well-Known Member

    lol yes, that's what this entire thread is about :p
  24. TxGoat

    TxGoat Guest



    There's a thread that's written a little better here though....
  25. trophynuts

    trophynuts Well-Known Member

    yes i realize that. But it seemed the last few people that were having issues didn't try it and/or didn't catch it.
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