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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8
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2answers
141k views

How to enable USB Debugging in Android if forgotten pattern for screen-unlock?

I want to use some third party software to clear my device's screen unlock pattern which I forgot. They require USB debugging enabled but I don't have it enabled in my Android. How do I turn on USB ...
3
votes
4answers
12k views

how to add a custom lock for the recovery and/or bootloader?

Unlocking the bootloader and/or the recovery is very popular discussion across many devices. But doing so exposes a very obvious and inevitable issue with security! An unlocked recovery means that no ...
25
votes
3answers
23k 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 ...
1
vote
1answer
425 views

I've installed a custom recovery image, but not yet rooted my phone. How can I install SuperSU and subscribe to automatic updates?

I own a Samsung smartphone. I'm running Android 4.1.2 "Jelly Bean". I've also installed ClockworkMod Recovery 6.0.4.5. Each time I exit ClockworkMod Recovery, it offers to root my phone. I haven't ...
8
votes
2answers
18k 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 ...
3
votes
2answers
24k 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 ...
10
votes
2answers
93k 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. ...
9
votes
1answer
18k 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 ...
12
votes
2answers
2k 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 ...
9
votes
2answers
3k 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 ...
6
votes
1answer
27k views

Difference between installing SuperSU using Play Store versus a custom recovery that installs it from a file?

I see that some rooting guides say that rooting involves: Download a SuperSU as a zip file that would be accessible to the phone (e.g. the sdcard). Unlock the phone's bootloader. Booting into a "...
2
votes
1answer
2k views

Entering safe mode from adb shell

My question is similar to this one, but I don't necessarily have a powered off device. How can I enter Android' safe mode (or make it boot into safe mode the next time) from within my recovery image? ...
2
votes
5answers
17k views

How to enter password for decrypt without system keyboard on android

I was trying to release some internal memory on my CUBOT GT-99, so I started disabling some system apps using one rooted app. One of apps I was disabled is system keyboard because I don’t use it ...
0
votes
1answer
522 views

ADB sideload doesn't work, no drivers

Sometimes on my Nexus 9 (LMY48M)ADB sideload doesn't work as the device doesn't have a driver. This is true for both stock and TWRP. However, ADB from booted Android works perfectly. I have ADB ...
8
votes
2answers
1k views

Recover Android system with TWRP Recovery

Note that I am running Mac OS X. I tried installing an unofficial version of Cyanogenmod I found on XDA Developers that supports kltemini (SM-G800F). However, I messed up somewhere in the ...
0
votes
1answer
67 views

My Samsung Galaxy S6 is bricked

I recently bricked my Samsung Galaxy S6 SM-S906l while trying to flash TWRP recovery. Apparently, it was an unsupported recovery and I need to reflash the original recover with Odin, but it says it ...
4
votes
1answer
6k 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 ...
17
votes
1answer
18k 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 ...
10
votes
2answers
48k 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 ...
2
votes
1answer
14k views

How to convert .img to .tar to flash using Samsung odin tool?

I have downloaded touch recovery from clockworkmod website. How do I flash downloaded .img file using Odin / Mobile Odin tool?
5
votes
4answers
3k views

Wi-Fi cannot turn on! Accidentally deleted /etc/wifi folder

i was trying to enable ad hoc network connection on android and overwriting below folders /etc/wifi /etc/dhcpcd and now my wifi could not turn on. The phone is ADINNO R8, a custom build phone.I ...
5
votes
3answers
21k views

Cyanogenmod custom recovery can't backup, restore or apply an update!

I just installed Cyanogenmod. It's my understanding Cyanogenmod is a ROM so I was bit suprised when my TWRP custom recovery was replaced by Cyanogenmod's own recovery. Why is this? Cyanogenmod's ...
4
votes
3answers
63k views

How to check if your bootloader is unlocked

I'm about to flash a custom recovery, but I'm not sure if my bootloader is unlocked or not (phone is rooted, but I did it a while ago, so I can't remember the process I went with), and I don't want to ...
1
vote
2answers
11k views

Micromax Funbook tablet frozen at boot screen. No clockwork mod recovery - how to restore?

I have a Micromax Funbook tablet (codename:P300) running Android 4.0.3. While playing with a file explorer, I accidentally moved a file from /system folder. Yes, the device came as rooted and I had ...
1
vote
3answers
11k views

Fastboot permission denied error in Asus Zenfone 2

I went into regular recovery mode to wipe cache and do factory reset to flash clean Asus ROM from XDA. I first went to wipe cache and it felt like it was taking way too long, so I turned off the phone ...
1
vote
1answer
5k views

Can we backup the stock recovery.img in any way?

Suppose I plan to flash my recovery with TWRP/CWM, but then later suppose I would like to move back to the stock recovery. Is it possible to take a backup of stock recovery just like we can take a ...
4
votes
3answers
16k views

How to flash a custom recovery with heimdall (without touching the main system)?

The first recommended step in the installation of CyanogenMod on Samsung Galaxy S is flashing a custom recovery like ClockworkMod or the one from Replicant with a command like: heimdall flash --...
4
votes
1answer
5k 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
4k views

Is there a way to get a disk image of the user storage space on modern Android devices?

I want to know if it's possible to get a "disk image" of the storage space on Android devices when they don't use external storage like SD cards. I'm mostly interested because my kids factory reset ...
3
votes
4answers
23k views

can't use adb shell in recovery mode

I have a china tablet named Quest. I have accidentally repeated pattern lock more than 5 times. Now I have also forgotten the email address. So for a factory-reset of my tablet I simply booted it ...
2
votes
2answers
2k views

How to get Recovery without the Hardware key

Apprently I am stuck in a known problem the Cyanogen Bootloop. The solution involves going into recovery, which is not possible since my "volume down key" is physically damaged. Do I have any options ...
2
votes
5answers
2k views

How do I enter Recovery mode without keyboard or Home button?

The phone is Samsung Galaxy S2 (GT-i9100) with SlimROM installed recently. I was using Paranoid Android, and today I flashed SlimROM 4.4.4 and a gapps package. The latter one occured to be wrong for ...
2
votes
2answers
8k views

Do you need root to flash a custom recovery?

Does flashing a custom recovery requires rooting the device, or just unlocking the boot-loader is enough? On my Nexus 7, I was able to flash custom recovery (CWM) without rooting. Is the same ...
1
vote
0answers
716 views

huawei ascend y530 stuck in recovery screen

My phone huawei ascend y530 stuck in recovery screen. On the screen shows the android icon.I can not turn on phone. Please help me friends.
1
vote
2answers
436 views

After flashing TWRP with Odin, nothing happens and the OEM recovery is still there

I'm using a Samsung Galaxy S5, and after flashing the TWRP with Odin 3.07 and 3.10 I'm finding that my recovery is still the default. I'm using these instructions exactly. Android system Recovery &...
1
vote
2answers
7k views

Booting to recovery

I have Xperia mini pro (4.1.B.0.587 Stock ram), and my bootloader is unlocked. But I could not boot to recovery mode by pulsing volume down button. I press it after phnoe shakes and before displaying "...
1
vote
1answer
5k views

fastboot does not discover my device

I want to connect my device (Omega T107) in fastboot mode. I reboot in bootloader mode (adb reboot bootloader) Screen is black(0 light comming out of it) computer can discover it and driver installs ...
1
vote
1answer
4k views

Cannot install any Custom ROMs on Xperia Ray ST18i: assert failed: getprop Status 7

When I try to install any of the roms of that page: http://get.cm/?device=urushi I always get this error: Finding update package... Opening update package... Installing update... assert failed: ...
1
vote
0answers
60 views

What are the technical differences between bootloader, recovery, kernel and ROM? [duplicate]

Possible Duplicate: What is the difference between: Rooting, Jailbreak, ROM, Mod, etc.? I'd love a reference (or an explanation if anyone has the time) on what characterizes these different ...
1
vote
1answer
990 views

How do I Install a custom ROM/recovery on a Galaxy Note 2?

I was trying to install CyanogenMod 12 Lollipop ROM on my Note 2. When I restart my phone in recovery mode, its giving me this screen: After this I select the option "wipe data/factory reset" and ...
1
vote
1answer
6k views

Cannot boot into recovery (Samsung Galaxy S)

My GT-I9000 device recently got stuck in a bootloop, and now I'm trying to put CyanogenMod on it, hoping that this would fix the situation. I can use Heimdall to install the ClockworkMod Recovery on ...
1
vote
1answer
5k views

Blank screen when trying to boot into recovery mode on Samsung Galaxy Tab 2 10.1

I am in the middle of trying to install Cyanogenmod on my Samsung Galaxy Tab 2 10.1 according to Wiki instructions and I'm getting stuck when I try to go into recovery mode. I tried to flash it to ...
0
votes
1answer
3k views

“Connect USB Data Cable” message on fastboot screen preventing recovery/reset of Nexus 6

I have a Nexus 6 that doesn't boot after a failed Android M developer preview install (worked perfectly on my Nexus 5). Booting into fastboot via power + volume down shows the device is unlocked but ...
0
votes
2answers
6k views

Recovering internal memory on SGS2 (CWM, not root, boot to recovery only)

I have a Samsung Galaxy S2 (i9100), which stopped booting into the normal OS. I have no idea why - one morning it turned itself off, and when I started it, it went as far as the "Samsung" screen, and ...
0
votes
2answers
474 views

How to recover an Android phone if the Launcher has been mistakenly quarantined?

I am using an Android phone with Root access. I have an app called App Quarantine ROOT/FREEZE, which can freeze or quarantine unwanted apps in Android. I mistakenly use this app to quarantine the ...
0
votes
0answers
45 views

accessing custom recovery on android 2.3.7

I have LG prada 3.0 running android 2.3.7! Because of too much errors I couldnt flash the last stock ICS rom ! Now I want to know if it Is possible to install custom recovery on my phone ,or to flash ...
0
votes
0answers
76 views

Nexus 5 volume-down button stuck, cannot boot non-safe mode

I got a bit of liquid onto my phone, and now the volume-down button on my Nexus 5 doesn't seem to work. The button itself doesn't bother me much, but every time I reboot the phone, it goes into ...
0
votes
1answer
3k views

Data recovery on boot-looped Samsung Galaxy S II GT-i9100

I have a boot-looped Samsung Galaxy S II GT-i9100, running the Android 2.3 Gingerbread it came with, unrooted and unmodified (although Optus-branded). The phone's battery depleted while the phone was ...
0
votes
1answer
562 views

How can I tell if I have a stock recovery?

I need to get rid of the yellow triangle in download mode on a Samsung Galaxy S3 (Android 4.3), for this I tried to use Triangle Away. It failed to reset the counter. The app mentions that on some ...
0
votes
1answer
189 views

Recovering files in Android phone, phone stuck in boot loop

My phone is currently stuck in a boot loop. I tried using minimal adb and fastboot but I can't seem to do it. I have also read in some forums that usb debugging should be enable and the phone should ...