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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7
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2answers
109k 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
11k 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 ...
8
votes
2answers
17k 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
21k 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 ...
25
votes
3answers
22k 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 ...
0
votes
1answer
421 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 ...
1
vote
1answer
350 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 ...
10
votes
2answers
89k 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. ...
10
votes
2answers
47k 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 ...
4
votes
2answers
58k 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 ...
2
votes
5answers
15k 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
536 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 ...
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
25k 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? ...
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 ...
0
votes
1answer
2k views

Revert to normal recovery mode from CWM recovery mode

I am using Micromax Canvas 2.2. I wanted to install a custom ROM on it, so I backed up the the original ROM (normally, without using CWM recovery). After that, I installed CWM recovery mode on it. ...
7
votes
2answers
573 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 ...
3
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 ...
1
vote
1answer
2k views

Is Recovery Mode necessary to flash to newer Android version manually?

My phone (Sony Xperia Go) seems to be not able to boot into Recovery Mode Is there some alternative way or tool to use for flashing ROM? (to latest kitkat mod). To avoid recovery mode I have ...
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: ...
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
17k 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 ...
2
votes
1answer
13k 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
3answers
19k 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 ...
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 ...
3
votes
3answers
37k views

How to recover a System partition that won't mount

A relative of mine brought me his Galaxy S4 Mini GT-I9190, which is stuck at boot. When I boot into recovery it gives the error Failed to mount /system (invalid argument). How can I dig through the ...
1
vote
1answer
1k views

Smart e Machine tablet stuck on “Boot into recovery…” screen

So I finally got my first android tablet, some cheap brand "Smart e Machine". It has android 4.0 on it. They just barely have a website and no type of support pages or anything, and apparently the ...
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 ...
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 ...
3
votes
4answers
21k 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
5answers
1k 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
1answer
372 views

If I flash a custom recovery img, will I be able to boot the normal old system?

Can I flash a custom recovery (say, the one from Replicant with heimdall flash --kernel path/to/recovery.img, or ClockWorkMod) and then be able to boot the old system? Without reinstalling the main ...
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 ...
1
vote
2answers
107 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
1answer
3k views

ASUS_T00J zenfone 5 recovery mode shows no command

I have an Asus Zenfone 5 (ASUS_T00J). When I go to recovery mode from droidboot it only shows no command. What might be the problem?
1
vote
3answers
8k 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
869 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
0answers
682 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
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
2answers
25k views

Recovery Mode Does Not Work On Lenovo A390

I Have a Lenovo A390 and I'm having trouble going into the recovery mode. Everytime I boot into recovery mode, a dead android icon with a red triangle appears and nothing happens. The icon is like ...
1
vote
1answer
2k views

recovery partition does not seems to be exist

Hi all I have successfully root my innos a35 phone and now what I want is to There's no file called /proc/mtd , So is that mean that my device is not based on the mtd technology. I have tried the ...
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 ...
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
0answers
59 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 ...
0
votes
0answers
41 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 ...