2nd OTA lollipop update failing

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I recieved the first OTA update for lollipop and it installed correctly. Now I went to download the large 700+mb 2nd OTA update and after the download completes my phone resets. It goes into installing the update, however about 1/4 of the way through the update, i get the dead droid screen flash on my screen and then my phone reboots back to 4.4.4 and tells me that the updated was unsuccessful. I have a moto x XT1060 dev ed, build KXA21.12-L1.26-4 on system version 212.166.4.

I'm stumped on what to try next. I have already returned everything back to stock and downloaded all updates and I get to the same point and get the same results. I've wiped all data, system, cache, and davlik, installed stock recovery and still get the same results. i've removed super user rights to see if that would work but it did not. I'm at a lose at what to try next. Anyone have any other ideas?

 

[svensett]

I recieved the first OTA update for lollipop and it installed correctly. Now I went to download the large 700+mb 2nd OTA update and after the download completes my phone resets. It goes into installing the update, however about 1/4 of the way through the update, i get the dead droid screen flash on my screen and then my phone reboots back to 4.4.4 and tells me that the updated was unsuccessful. I have a moto x XT1060 dev ed, build KXA21.12-L1.26-4 on system version 212.166.4.

I'm stumped on what to try next. I have already returned everything back to stock and downloaded all updates and I get to the same point and get the same results. I've wiped all data, system, cache, and davlik, installed stock recovery and still get the same results. i've removed super user rights to see if that would work but it did not. I'm at a lose at what to try next. Anyone have any other ideas?

I was having this same problem, but here is the process I went through to get through the full update to 5.1:

I saw this post this morning and started with it: http://forum.xda-developers.com/moto-x/general/help-lollipop-update-unlocked-bootloader-t3201426 I had previously downloaded the version of 4.4.4 referenced in it.

I don't have RDSLite installed so I moved on to this post: http://forum.xda-developers.com/moto-x/general/faq-how-to-prepare-ota-update-carriers-t3126425 and used Option #5 since I already the Android SDK tools on my computer. After going through all the steps I have successfully stepped through all three updates, rebooting the phone after each whether it helps or not. My phone is currently optimizing apps after the second 5.1 update.

For reference I was on the most current version of 4.4.4, rooted with TWRP with no modifications to any system/bloatware apps. I originally tried Option #6 in the above thread which allowed me to take the first 5.1 update but the second update failed in the same way you described.

Hope this helps, and good luck!

 

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Thanks for the post. I was reading through that post late last night and I was going through option #2. I didn't read further down to option #5, but that worked perfectly. My phone is optimizing apps as we speak.