Android's recovery mode allows ROM flashing even if the device is currently unusable. Invoking it usually involves a key combination that is pressed when starting the device. These combinations differ from device to device.

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19
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3answers
13k views

Will a Custom Recovery work with an encrypted device?

I wanted to know whether using Android's built-in encryption (introduced in 3.0) would affect my ability to use a custom recovery (Clockwork Mod in my case). More specifically if I will still be able ...
10
votes
1answer
8k views

What are the differences between ClockworkMod and Team Win Recovery for the Nexus 7?

My Nexus 7 is running on 4.2.1 and has the latest build version. According to the Nexus 7 Root Toolkit, it is giving me an option to flash one of the following recovery menus: CWM Touch TWRP Touch ...
9
votes
2answers
30k views

How to install new Recovery image from .img file

I recently found that I could upgrade to the new CWM touch recovery version for my EVO 4g! However, to do this through the ROM manager app or get it directly onto the phone at all, it required a ...
9
votes
2answers
2k views

Why can't I boot into recovery mode?

I think I'm actually missing something here still. Everything I read suggests I need to boot into recovery mode as a first step, and that I ought to be able to do that by holding down the "home" key ...
8
votes
2answers
1k views

Why is custom recovery a prerequisite for flashing a custom ROM?

I have read in many guides that before flashing, we need to have a custom recovery like CWM installed. I am not able to understand why is this a prerequisite for flashing a custom ROM. Can I flash a ...
8
votes
1answer
14k views

Why isn't Clockworkmod Recovery “Sticking”?

I've tried multiple times to flash ClockworkMod recovery onto my unlocked Galaxy Nexus (LTE\CDMA variant "toro" build) device. Each time I can boot into recovery and ClockworkMod displays. However, if ...
8
votes
1answer
455 views

What happens to the battery during bootloader/recovery?

I want to know what happens to the battery (does it charge/discharge/stay constant?) when the device is in bootloader or recovery mode. In both of these modes, a USB may or may not be connected. If ...
7
votes
1answer
8k views

Enter recovery mode from command line

Does anyone know if there's a way to get an Android phone to reboot into recovery mode, from the Android command line? Note: I do NOT have adb access. I do NOT know the magic power-on sequence to ...
7
votes
1answer
5k views

Manually switch from ART to Dalvik

I wanted to try out the new ART runtime, but didn't realize my custom ROM doesn't support it. So now I am getting recurring Force Closed messages after booting, and can't get through to the settings ...
7
votes
4answers
54k views

Galaxy S GT-I9000: how to fix boot to recovery with Volume up+Power?

I have Samsung Galaxy S (GT-I9000) and I've installed Cyanogenmod 10 M2. I can reboot into recovery from Cyanogenmod (Hold Power button, select Reboot and Recovery). However, I cannot boot directly to ...
7
votes
5answers
3k views

Can one avoid losing everything on a Galaxy Nexus when applying a new ROM (safely)?

The makers of most ROMs suggest that you do a full device wipe when moving from one ROM to another. I have also found this is usually good practice, so data from the previous ROM does not affect the ...
7
votes
0answers
23k views

Can't mount sdcard from Recovery Mode/Clockworkmod [duplicate]

Possible Duplicate: Why can I not access the cyanogenmod zip on my sd card? I'm trying to install a custom ROM on my rooted Galaxy S2, I've been following this guide: ...
5
votes
3answers
16k views

How to delete backups made using Clockworkmod?

Splitting this question from the comments to my answer to How to install ClockworkMOD Recovery on Sony Xperia Neo V (MT11a)? Erik, one last thing. I accidentally made an extra backup which didn't ...
5
votes
3answers
4k views

what does “flash recovery” mean?

In the instructions for ClockworkMod Recovery for Galaxy S i9000, there is: Step 2. Flash Recovery. I don't understand what this means. Which recovery to flash? How to do this? (With a USB ...
5
votes
1answer
1k views

Installed Galaxy S3 ROM on Galaxy S2

I installed a ROM meant for Galaxy S3 on my Galaxy S2 phone by mistake and now the phone won't boot. I can get into Download Mode fine but I can't get to Recovery Mode because the ROM installed a S3 ...
4
votes
2answers
10k views

Fix permission option removed from CWM recovery 6.0.3.6

I updated to latest ClockWorkMode recovery in my Galaxy S 3(AT&T,d2att). New version is 6.0.3.6. And noticed that Fix Permission option is removed from it. I used that option when flasing ROMs. I ...
4
votes
2answers
5k views

I messed up a Firmware update

I just bought this Samsung Galaxy S, installed the Kies software, then it automatically downloaded an update for my phone. I plugged in my phone and it began the update, after a few seconds the ...
4
votes
2answers
40k views

Flash boot.img without using fastboot USB

So I've recently rooted my phone and tried a ROM or two. I find it really handy that you can use TWRP recovery to install another ROM from the SD card, you don't need to have it connected to a PC. ...
4
votes
2answers
3k views

Power button not working. Phone wont boot?

I have a Samsung Galaxy Ace GTS 5830i. I somehow messed up the power button of my phone and now after the battery drained completely, It will not start. I tried looking up online for going into ...
4
votes
1answer
4k views

SGS doesn't go to download, recovery mode nor does it connect via USB after installing a battery MOD

I installed some app called "Galaxy s battery icon mod 2" on my rooted Samsung Galaxy S (with a lagfix OCLF), it required rebooting my handset. Then, it didn't boot up, my handset entered an infinite ...
4
votes
1answer
5k views

Backup using ADB without root or usb debugging

I have a Nexus S (on android 4, not rooted) device who's not able to boot. It opens and get stucks to the X screen. I can only access the recovery mode. I tried to backup data via ADB, but the phone ...
4
votes
2answers
300 views

Not able to flash/factory reset Galaxy Nexus.; restores to one particular backup every reboot

My Galaxy Nexus will not factory reset. I tried to flash many images. I deleted the gallery contacts, but it restores to a restore point on each reboot. Currently, it is having "yakju-jzo54k". I am ...
4
votes
2answers
17k views

Failed upgrade, now stuck in recovery mode

My Galaxy Note is stuck in recovery mode and I'm not sure what to do next. Here's what happened: After connecting to wifi, a software update was downloaded and a message asked me to install it. I ...
4
votes
2answers
7k views

Extract boot.img

I have pulled boot.img from my phone's CWM backup. How do I extract it? I tried split_bootimg.pl. But throws an error - Android Magic not found in boot.img. Giving up.
3
votes
1answer
694 views

Relationship between a recovery and a ROM

As far as I understand: Recoveries (e.g. ClockworkMod) can be used, among other things, to install new versions of the Android OS, like custom ROMs (e.g. CyanogenMod) by updating the ROM section which ...
3
votes
1answer
99 views

Would a full back up (from recovery) preserve all data including installed apps?

I wonder if I create a full back up from recovery, would it preserve all my data? Including installed apps (along with their configs) and my contacts?
3
votes
5answers
14k views

How do I enter recovery mode on my Motorola Milestone 2 to unbrick it?

I own a Motorola Milestone 2, also called A953 (apparently this is different from the Droid 2 Global). It used to have Android 2.3 with Motoblur middleware. It was bought independently from any phone ...
3
votes
2answers
980 views

Recovery boot not working properly - cannot select items

I am working towards installing CM7 on my HTC Incredible and have hit a snag. When using 'Reboot into Recovery' from ROM Manager v4.3.3.0 the phone reboots into Recovery, but the menus do not function ...
3
votes
1answer
2k views

How can I get ClockworkMod Recovery to properly use /sdcard on an encrypted Galaxy Nexus?

I have a Galaxy Nexus (toro) device. It's flashed with the latest touch ClockworkMod recovery image, along with a milestone snapshot of CyanogenMod 11. Now, when I try to pick a zip file to flash ...
3
votes
2answers
49k views

How to hard reset of a Samsung Galaxy GT-I9000 which I cannot put in recovery mode?

I don't have much hope. Here is what's happening Galaxy S GT-I9000 keeps crashing at startup : com.sec.android.provider.logprovider crashes and other ones android.process.acore So I cannot reach ...
3
votes
1answer
8k views

Cannot copy files in recovery mode which made Google nexus S unusable

I have a Google Nexus S, bought last year and it was working fine till last week. It came with Android Ginger Bread, and I rooted the phone and installed several custom ROMs including Cyanogenmod. ...
3
votes
1answer
8k views

What is the difference between Fastboot and HBoot mode?

and why can't I see an option to boot into recovery mode on my HTC Hero (Orange UK)? Is it already in recovery mode when I can see the Fastboot/HBoot menu? Initial menu after holding vol-down when ...
3
votes
2answers
5k views

Booting into recovery from terminal

How can I boot into the recovery from terminal? I'm using LG p970/CM10/cwm5
3
votes
1answer
5k views

I can FastBoot my device. How can I reinstall an Android image to it?

I accidentally deleted a file from my phone (Sky iVega IM-A800s, Gingerbread) and phone cannot boot now. I'm seeing an "System operating error" and device restarts repeatedly. I could get into ...
3
votes
2answers
2k views

Can't connect to the device with ADB when it's in recovery mode

I am having some problems with my Samsung Galaxy S2 and I want to start an fschk session on the device. So, I installed Android SDK with platform-tools. I can access to the device when it's normally ...
3
votes
2answers
5k views

Galaxy S2 - Accessing Internal phone memory in Recovery Mode

How can i access to Internal Storage in Recovery mode using Android Debug Bridge (ADB.exe) ? C:\Users\MohammadReza\Desktop\platform-tools>adb devices List of devices attached 4F58000600000001 ...
3
votes
2answers
5k views

Device always boots in recovery mode, but apparently there is no recovery partition

We have a BSNL Penta IS709c (cheapest tablet currently available / Oct 2012) running Android 4.0. Feeling adventurous, I issued reboot recovery through adb and the device tried to reboot in recovery ...
3
votes
1answer
451 views

Is it possible to restore a ClockWorkMod backup to an emulator

Is it possible to restore a ClockWorkMod backup to an Android emulator using a PC?
3
votes
1answer
4k views

Is there a way to flash a boot.img from recovery without a computer?

Is there a way to flash a boot.img on your SD card without having to connect to a PC? Is there an equivalent of the fastboot command? I'm on a HTC Amaze 4G currently.
3
votes
1answer
4k views

Restoring static boot logo and animation from ClockWorkMod backup for: Android Huawei Ideos X3 (U8510)

I have a rooted (and unlocked) Huawei Ideos X3 (U8510). I have complete backups of the stock ROM using ClockWordMod installed to the sdcard. Then I started playing with different ROMs on the ...
3
votes
1answer
220 views

Can't boot, can't view recovery options, winok w77, no support from manufacturer

I have a friend staying over and he has an android tablet: winok model w77 The tablet is stuck on a boot loop and I am trying to get it working again however nothing I have done so far has been of ...
3
votes
0answers
142 views

Standalone program for managing encrypted partitions? Or, How can I manage encrypted partitions in recovery mode?

Android uses dm-crypt for providing disk-encryption as stated in the implementation notes. Those notes also state (emphasis mine): While the actual encryption work is a standard linux kernel ...
2
votes
1answer
730 views

CWM or TWRP not supported?

I'm trying to install CWM or TWRP for my D801 LG G2 and they both say "device not supported". TWRP doesn't give me any other options, but CWM shows D802 is supported. Can I install that or will it ...
2
votes
2answers
3k views

ADB 'su: permission denied' in recovery mode on rooted device

ADB 'su' command returns 'su: permission denied' on a fully rooted device in recovery mode. I can modify folders and files that require root access on phone (when it's booted). ADB also works when ...
2
votes
3answers
5k views

How to select menu item in Android System Recovery? LG Optimus One P500

I'm started my LG Optimus One in System Recovery Mode. Vol Up/Vol Down buttons works - moving up/down through the menu. But i can't start menu item, for example 'reboot system now', or 'apply ...
2
votes
1answer
459 views

Shell script to reboot into recovery and install zip

Okay, without getting too deep into details, I'm looking to automate the installation of a flashable zip (must be flashed from recovery). For now, I can use the command "reboot recovery" in a shell ...
2
votes
1answer
370 views

Why can't I have flash_image working?

I've rooted my device (Omega T107) and i cannot install any recovery (tried cyanogenmod adn amon_ra) When I use flash_image as root it never ends Screen link:
2
votes
1answer
51 views

FastBoot recovery failed: partition 'recovery' not support flash

My mobile is Lenovo S920 running official Android OS 4.4.2. I am trying to install cwm recovery through fastboot. I tried executing the command fastboot flash recovery recovery.img But I am ...
2
votes
1answer
4k views

Recovery Mode does not find internal nor external storage

Before I had CyanogenMod 9 on my Samsung Galaxy S i9000. Then, suddenly it did not boot anymore and I could not boot into recovery mode neither. So I flashed different kernels with Odin (speedmod, ...
2
votes
1answer
1k views

Unable to flash CWM recovery to GS3 over stock 4.1 with Heimdall

I want to root and upgrade to 4.1 a just-unboxed Samsung Galaxy S3. After running the official OTA update with stock Samsung ROM, I tried to follow the tutorial here with openSUSE. I installed ...