How To Fix The HTC Rezound Infinite Boot Loop

Ok so there’s an issue that some HTC Rezound owners are experiencing that involves the phone getting stuck in an infinite boot loop and I wanted to share my solution.

Here’s the issue:  once you turn off the phone…when you turn it back on, the phone will turn on, look like it’s going to boot up, but once it gets to the homescreen it will turn off by itself and turn on again…and then repeat…this is the infinite boot loop.

I experienced this for the first time today, and did a little research on how to get out of it…

Here’s what worked for me…

1.  take off the back cover
2.  take out the battery
3.  remove the 4G SIM card  (and leave it out)
4.  put the battery back in
5.  turn on the phone (it should boot fine, with the exception of it saying there is no SIM card inserted…this is fine, just ignore this for now)
6.  from the homescreen…hit menu > settings > wireless and networks > mobile networks > network mode > select LTE/CDMA
7.  turn off the phone
8.  take off the back cover
9.  take out the battery
10.  re-insert the 4G SIM card
11.  put the battery back in
12.  turn on the phone

So what’s causing this and how to prevent it?

Well for me, this problem was associated with me switching on/off the 4G LTE (I do this to save battery…I only turn 4G on when doing data heavy tasks).  There seems to be a problem when you turn off 4G LTE, which puts you in “CDMA only” mode, and then you turn off the phone…because when you turn the phone back on, the 4G SIM card needs to have the 4G LTE enabled, otherwise you get stuck in a boot loop for some reason.

*From my research it seems like HTC and Verizon are both aware of the problem and there is a software upgrade scheduled to be released soon to remedy the issue…until then, make sure 4G is enabled before you power down.

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34 responses to this post.

  1. Posted by Nate on March 16, 2012 at 2:09 am

    Thanks man. I had this happen just now and you’ve got me up and running again in 5 minutes. Life saver!

    Reply

  2. Posted by Leah on March 20, 2012 at 1:05 pm

    This happened to me a few weeks ago and again a few days ago. Verizon told me there were no known issues with the Rezound. Both times I had to do a factory reset. I’ll try this next time. Thanks!

    Reply

  3. Posted by Rezound user on March 31, 2012 at 7:54 am

    Thanks for the help. Phone was acting up and pulled battery till I got to computer to see what was goin on. Now works like it should.

    Reply

  4. Posted by Brooks on April 5, 2012 at 1:54 am

    So now that I’ve done this, my phone says that it has no SIM card, even though I have reinserted it. Any suggestions?

    Reply

    • hey brooks,

      did you double check and make sure the SIM was inserted the correct way? try flipping it around and that should hopefully fix it.

      Reply

  5. Posted by Justyn on April 26, 2012 at 6:02 pm

    Will leaving LTE/CDMA selected affect the phone in any way, such as affecting your 3G/4G capabilities? Also, by selecting LTE/CDMA, will there be no more infinite boot loop? Thanks!

    Reply

    • hey thanks for the question. yes, it will affect your 3g/4g. when you select LTE, then your phone will use a 4g connection when available. when it’s just on CDMA, then your phone is limited to 3g. i’m not advising that you have to leave it on one or the other, because you can use either one you want. however, if your phone gets stuck in a boot loop, then that’s when i’d follow these instructions

      Reply

      • Posted by Justyn on April 27, 2012 at 7:08 pm

        Thanks so much! I definitely was freaking out when my phone kept rebooting, this worked like a charm!

  6. Posted by Chip on May 20, 2012 at 5:17 am

    Thank you, you saved me so much time and frustration! Could you please add a post to this page when HTC has an update that includes this fix? Thanks again!

    Reply

    • sure I’ll update the post if i hear anything. i did receive an update a few months ago, and i haven’t gotten stuck in an infinite boot loop since then. i’m not sure if the update was directly addressing the problem…could just be a coincidence. but like i said, if i hear anything concrete, i’ll post it.

      Reply

  7. Posted by Janae on May 20, 2012 at 8:43 pm

    okay so this worked but now my 4g still isnt working…. its not even letting me connect to my wifi! ugh!

    Reply

  8. Posted by Chris on May 22, 2012 at 4:38 am

    Headed to New York in the morning for business.. You just saved me.

    Reply

  9. Posted by Rickie on June 13, 2012 at 7:28 am

    Wow, man wish I found this like six hours prior to this moment. Excellent information. Thank you sir!!

    Reply

  10. Posted by Erin on June 18, 2012 at 1:49 am

    this happened to me today, so they must not have released a proper fix for it yet. thanks for your help!!

    Reply

    • Posted by Erin on June 18, 2012 at 1:51 am

      Also, I found that once I put the sim card back in, the settings automatically switched back to “CDMA only” despite following your directions. I just had to hurry and switch it before it froze and reboot again.

      Reply

  11. Posted by Steve on June 18, 2012 at 5:30 am

    You are a life saver. On a trip out of town with my family and needed the phone when it started the loop. Fortunately, looked online and found this post. Thanks so much for the info. Steve

    Reply

  12. Posted by Amon on June 18, 2012 at 7:09 pm

    Thank you SO much, saved my life. Well not quite, but you saved me a trip to the verizon store.

    Reply

  13. Posted by Ken Kiefer on June 18, 2012 at 7:19 pm

    Thanks very much! I’m back in business.

    Reply

  14. Posted by jorhi on June 20, 2012 at 5:23 pm

    Brilliant, seems to have fixed the problem. Thanks for sharing your expertise

    Reply

  15. Posted by josh on July 4, 2012 at 12:48 am

    Huge help thank you very much. Thought I screwed my phone up bc the battery was overheating and i was very quick at powering down. I thought i took battery out too soon. thank god this is a common problem and its great to here they r working on a solution.

    Reply

  16. Posted by barbara on July 24, 2012 at 4:05 am

    Omg thank you so much for the help my phone kept saying no service and kept re-booting…I’m a teenager lol I need my phone. Thanks again :)

    Reply

  17. Posted by Eric on August 1, 2012 at 12:00 am

    Wow this happened to twice and first time had to do factory reset, now this way up in 5 minutes!! Way to go! thanks,, LI Man..

    Reply

  18. Posted by Aaron on August 6, 2012 at 11:14 pm

    your awesome, i was searching forums forever to get my phone to work properly. happy i finally came across yours! thanks for taking the time and explaining the process!

    Reply

  19. Posted by josh d on August 7, 2012 at 11:46 pm

    Mine did this again today. Sometimes it’ll fix itself, but this time it wasnt. Went to Verizon store and rep put in new battery and sim card, still no luck. She then said she would do a factory reset and I said that’s not an option. So I googled the issue myself, and here I am. Thanks a lot. Now I’ll know what to do next time.

    Reply

  20. Posted by Tray on August 8, 2012 at 4:29 am

    Awesome advice! I use my phone for work and was freaking out. Thank you so much!

    Reply

  21. Posted by Sasha on August 9, 2012 at 1:27 am

    Alright well, this worked for a little while after I put the battery back in and turned the phone on… I even received text messages from seven people that had been sent during the last three days. However, after about ten minutes (I checked the network settings, and it still said LTE/CDMA… and the connect to mobile network box was not checked, so I checked the box) the phone still restarted itself with the reboot…

    So I try to do this whole thing once again, and after taking out the SIM card, turning the phone on, the network settings was put back to CDMA only, with no option for the mobile network box. I switched this to LTE/CDMA again before taking out the battery and restarting the phone with the SIM card in… now again, after all that a second time, after the SIM card is in I check the network settings and it reset itself back to CDMA only!! So I now switch this to LTE/CDMA, and turn on the mobile network, after five minutes it restarts and reboots itself AGAIN.

    Sorry but this did not fix my problem, unless I’m severely missing something here…

    Reply

  22. I wish I had read this before taking my phone to Verizon and having to wait a WEEK for them to ship me a ‘new’ (it turned out to be a refurbished one), working phone. Sadness.

    Reply

  23. Posted by ANONYMOUS on September 8, 2012 at 4:19 pm

    thank u soooo much!!

    Reply

  24. Posted by Dora on October 3, 2012 at 11:10 pm

    You rule!!!! thank you.. you saved the day.. I run my side business on my cell phone. i was freaking out. God bless you!!!! My phone is working great!!!

    Reply

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