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[Q] Bootloop out of nowhere?

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Question [Q] Bootloop out of nowhere?

Hello, all.

I have an Evo 4G that is rooted with MikG3.11, which has been an awesome and stable ROM for...2 full years now?

Anyway, I've never had any trouble, and I haven't installed or changed anything in weeks...but last night while I slept, gremlins invaded my phone and tampered with it. When I woke up (a lucky thing in itself since I use my phone for an alarm clock), my phone was hung at the android animation screen. I pulled the battery and rebooted, but it kept bootlooping...which has never happened before.

Here are the specs:

Oct 15 2010, 12:07:00

I can still get into Recovery, which is ClockWorkMod v2.6.0.1.

Here are the steps I've performed/tried so far:
  • Performed a Nandroid backup from within CWM recovery
  • Successfully executed "mount USD storage" and pulled everything I could get access to from the device down to my Win7 PC
  • Wiped the Cache partition
  • Wiped the Dalvik Cache
  • Tried rebooting again after clearing the caches, but (as before) when it gets to the end of the boot animation, it loops rather than fully loading the ROM/presenting the unlock screen, and I have to pull the battery and start over

Unfortunately, that's about the extent of my expertise, as I'm pretty much a noob at this phone hackery business and was wondering if there's a recommended way to try to restore access to my phone without potentially losing some or all of my data. (I'm not 100% confident that the Nandroid backup is going to capture all of my contacts, calendar events, and misc app data. And it's been several months since I ran a Titanium backup from "within" the phone's OS.)

I do have adb access set up on my Win7 PC, but I didn't see anything there that was a clear "next move".

Is it possible to restore the boot or system image without touching the data? Or is a full wipe in my future?

I look forward to any advice from the experts...

- Vassoom
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This happens. You're probably just going to have to clean flash and start over. Before you do that, however, switch to a more reliable recovery (Amon_RA's, or preferably, smelkusMOD).
Device 1: HTC One (M8)/831C | Hardware Version: 0005

Baseband: | PRI: 2.62_003 | PRL: 53135
Recovery: TWRP

Device 2: HTC Jewel/PJ75100 (EVO 4G LTE) | Hardware Version: 0003

Baseband: | PRI: 3.02_003 | PRL: 56018
Recovery: TWRP

Device 3: HTC Shooter/PG86100 (EVO 3D) | Hardware Version: 0002
Baseband: | PRI: 1.55_003 | PRL: 22100
Recovery: TWRP

Device 4: HTC Supersonic/PC36100 (EVO 4G) | Hardware Version: 0004
Baseband: | PRI: 2.33_003 | PRL: 40460
Recovery: TWRP
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Originally Posted by Captain_Throwback View Post
This happens. You're probably just going to have to clean flash and start over. Before you do that, however, switch to a more reliable recovery (Amon_RA's, or preferably, smelkusMOD).
Agreed. While CWM is a great recovery for most Android devices, it's known to have issues on the EVO 4G. Do as Captain Throwback suggested and swap to a recovery that's Amon_Ra-based. The Smelkus recovery he's referring to is a great one and I used it on the various EVO's I once owned. It has a few extra features built in to it and you can't go wrong with it.
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