Questions tagged [rom-flashing]

Flashing is the process of writing a firmware image (and the root file-system) to the memory of an Android device

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154 votes
3 answers
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Where can I find stock or custom ROMs for my Android device?

There are several reasons to be looking for a ROM: Upgrading or downgrading your stock ROM Looking for firmware from a different region/language Flashing a custom ROM for different features, removing ...
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8 votes
1 answer
74k views

Can I install a ROM made for a different device?

I own a MicroMax A100. I want to install the latest version of a different ROM (Samsung or Nexus). Is it possible? If so, can you tell me how? If not, can I install a ROM made for a different device,...
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15 votes
3 answers
6k views

Why are there not generic phone OS installers? [duplicate]

I am used to install and remove various operating systems in my PCs, even having several at a time. Usually, to install a new OS means: Burn the ISO to a CD/DVD/USB. Insert it. Boot. (Maybe you have ...
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15 votes
4 answers
1k views

Why is it that Android still can't be installed as regular OS?

Are there any technical or others reasons why Android is still a firmware and not an OS which can be just installed without a lot of hassle? Why there is no universal image which could detect ...
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5 votes
3 answers
14k views

Flash a smartphone with vanilla Android ROM

Is it possible to flash a smartphone like the Samsung Galaxy SIII or an LG Optimus 4X with a vanilla Android ROM like the one that has been flashed on Galaxy Nexus or Motorola phones (I think)? I am ...
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19 votes
1 answer
141k views

What is the meaning of "flashing a custom ROM"? [duplicate]

Possible Duplicate: What is the difference between: Rooting, Jailbreak, ROM, Mod, etc.? What is a custom ROM, and what does "flashing a custom ROM" mean?
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  • 551
2 votes
1 answer
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Can I flash Android on device with overwritten mmcblk0?

Can Android device with fully overwritten /dev/mmcblk0 (without /dev/mmcblk0p* partitions) be still flashed using fastboot? Is it true that overwriting /dev/mmcblk0 does not remove /dev/mmcblk0boot* ...
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  • 129
16 votes
2 answers
57k views

How to unpack and edit boot.img for ROM porting?

I recently downloaded this ROM for my Allview P5 (Allview P5 is the equivalent of Gionee GN700W/FLY IQ441/QMobile Noir A8). It`s called Primonex ROM and is made for the Gionee version of the phone. ...
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8 votes
2 answers
1k views

What is involved in installing Android onto a device?

I just picked up a Viewsonic G-Tablet. It's got killer hardware specs and is running Android 2.2 but it's barely usable because of this terrible TapUI that's crippling the device. I have been ...
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1 vote
2 answers
2k views

Can user data be recovered after formatting and flashing stock ROM?

I am exchanging my old Android L phone for a new one. I have formatted the whole phone including bootloader and flashed its stock ROM using SP Flash Tool twice. I hope my data has been overwritten. ...
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  • 195
25 votes
2 answers
268k views

What do the terms "BL", "AP", "CP", and "CSC" mean in Odin?

I'm trying to Use Odin to download a OS to my phone (Trying to put Raspbian. Raspbian runs on the raspberry pi which has an ARM processor my android phone also has one so hopefully it'l work.) (does ...
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2 votes
1 answer
3k views

Is it possible to get Android on a Nokia e65? [duplicate]

Possible Duplicate: Can I install Android on my non-Android device? Does anybody know if it is possible to get android on a nokia e65? Thanks for your time
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0 votes
2 answers
416 views

Feasibility of flashing a ROM (meant for original device) on a re-branded device

I have a re-branded smartphone with Android 5.0. The thing is I want to install a custom ROM to remove all the bloatware and get more control. But, as it is re-branded and not that popular there are ...
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0 votes
0 answers
3k views

Stuck in boot-loop when unpack and pack `system.img`?

Background: I have a treble and system-as-root but it is not an A/B Samsung device. I am trying to modify the system.img. Before that, I have rooted it with the steps given here. After following these ...
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18 votes
2 answers
11k views

What to do before root and flash my phone?

Right now I have in my phone the stock rom and I haven't rooted it. I want to root it and change the rom. What should I do first, root or flash the rom? I don't want to lose all the configuration, ...
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8 votes
1 answer
18k views

Boot loop after flashing Android 6.0 Marshmallow on Nexus 5

This question follows up on Boot loop after flashing Android 6.0 Marshmallow on my Nexus 5 (but there are many other posts about this topic on the web, see this Reddit post and this XDA Developers ...
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6 votes
1 answer
3k views

Does flashing a custom ROM require root access?

It was recently brought to my attention that it does not. Can someone confirm this and explain what the determining characteristics are that dictate whether or not root its required to flash a custom ...
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5 votes
2 answers
29k views

What does "Archive does not contain 'android-something.txt'" mean?

So I am trying to flash my OnePlus One with CM12s through fastboot on command prompt, but whenever I type fastboot update romname.zip I am presented with: archive does not contain 'android-info.txt' ...
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11 votes
4 answers
34k 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 --...
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3 votes
1 answer
3k views

How to flash and root OnePlus 3T on Linux?

I Recently bought a OnePlus 3T and want to flash and root it. Most resource focus on OnePlus3 and on Windows. How do I do that on Linux?
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3 votes
3 answers
14k views

Is it possible to clone a Phone then flash image on other phones?

Background I deal with a lot of Galaxy S5s and spend a considerable amount of time duplicating the settings and installing the same applications on each. Because of the repetitive nature, I'm sure ...
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3 votes
3 answers
20k views

Get root or re-install the OS without a USB cable?

Usually, the guides for getting root or re-installing the OS on an Android device (I have a Samsung Galaxy S, which I'm mostly inetersted about) tell to flash the device from another computer through ...
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3 votes
1 answer
19k views

Are there any risks to flashing a ROM?

Are there any risks to manually flashing a stock or custom ROM? Does it have the potential to brick the device? Will it void my warranty? Will I stop getting updates? Anything else I should be aware ...
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2 votes
1 answer
548 views

Android device load process (preparing flashing)

Standard Android OS load process looks like (from docs): BootROM (starts with 'on' button) Bootloader Kernel init/mounting Zygote+Dalvik VM System services But I have a difficulties ...
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1 vote
2 answers
22k views

Sahara fail while trying to flash a rom into my phone

I tried to flash a custom rom into my phone but it was an unsuccessful try and I decided to update the TWRP recovery in order to increase my chances to flash a rom. But istead of updating TWRP I ...
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5 votes
2 answers
6k views

How to flash Samsung devices from a GNU/Linux host running on ARM architecture?

To flash a Samsung Galaxy S (where do not have root access in the currently running OS, and with a stock recovery) with a new firmware (OS), I need to connect it with a USB cable to another computer ...
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1 vote
1 answer
7k views

How to boot system-as-root device always as rooted?

I have a Samsung S10 5G device that is actually a system-as-root device. I have rooted it by following the instructions given here. As the system-as-root devices have no ramdisk in boot.img but in ...
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47 votes
1 answer
118k views

Why Do I Need to Wipe Dalvik Cache?

When I'm updating a custom ROM, there's always an instruction to wipe the Dalvik cache. I don't see a reason why this is necessarily. Watching the logcat while the system is booting I can clearly see ...
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9 votes
1 answer
20k 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 ...
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6 votes
2 answers
14k views

What's the difference between flashing Gapps on system partition vs installing from play store?

So I'm finally diving into the custom ROM world after experiencing some issues on CM12.1 on my OnePlus One. I have a question though that googling couldn't answer. If I flash only the essential Google ...
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9 votes
2 answers
5k views

How can I keep settings after flashing a ROM?

I am considering flashing my SGS to a custom ROM. I do not, however, relish the prospect of re-configuring everything. Most apps on my phone and most definitions should have no dependencies on the ...
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13 votes
2 answers
3k 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 ...
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7 votes
3 answers
7k views

Why must my device be compatible with a certain ROM before I flash it to my device?

This it the explanation telling me not to install a custom ROM without checking the device's compatibility. "Now, be careful as each custom ROM comes with a version that is suitable only with one ...
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4 votes
1 answer
991 views

What Android parts do these terms describe?

Android users frequently use a lot of words with unclear meanings. In particular, they use these words a lot: Framework / framework-res.apk: What purpose does this structure serve? Flashing: What ...
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4 votes
2 answers
32k views

Fastboot erase system not working

My device: Karbonn A52+ Android 4.2.2 Mediatek MT6572 CPU Root Access: Yes Bootloader: Unlocked I'm trying to flash the official system.img of my device's stock ROM which I have with me, over ...
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3 votes
1 answer
955 views

Do I need to revert to stock firmware and/or wipe data before installing a custom ROM?

Several sites I've visited mention that I need to revert to the stock firmware and possibly wipe my phone data before installing a custom ROM. Is this recommended or completely necessary? I have a ...
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  • 1,902
2 votes
1 answer
12k views

Can we uninstall Symbian and install Android? [duplicate]

Possible Duplicate: Can I install Android on my non-Android device? I have an Nokia 5233 mobile which has Symbian OS installed. I was wondering whether its possible to remove that Symbian OS and ...
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  • 121
2 votes
1 answer
25k views

Error when flashing recovery to Moto G4 Plus Xt1640 - Image not signed or corrupt

I recently bought a new android phone (Moto g4 plus). Coming from the iPhone, I was eager to root it and take advantage of all the features. The problem is that whenever I try to flash a recovery ...
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2 votes
2 answers
6k views

How to flash custom or stock ROM with Odin mode working? (from a bad flashed Galaxy A20, see image)

The current state of the device is shown bellow. I prefer using heimdall to flash each partition directly from command line if possible. Unless it is mandatory to put all images inside a tar and flash ...
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  • 200
1 vote
2 answers
19k views

Removing files from & repackaging CyanogenMod ROM zip files

The current CM10 + GApps experience on Motorola Xoom is plagued by the size of the CM10 ROM -- there isn't enough space left after flashing the CM10 zip to fully flash the GApps zip. This results in ...
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1 vote
2 answers
7k views

How to create filesystem in TWRP? Getting error: "Unable to format to remove encryption"

The screen appears after booting into TWRP and trying to format memory: I was trying to flash a custom ROM using TWRP recovery but it's showing Unable to mount storage & Failed to mount '/data' (...
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1 vote
0 answers
3k views

How to install fastboot drivers? [duplicate]

I have a cheap clone android (benss b3) that I managed to connect to win 7 by editing the .inf file in usb drivers. Now I want to load different ROMs via fastboot. However, when I boot to fastboot ...
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  • 131
6 votes
1 answer
7k views

what is a bootloader unlocked phone?

What is a bootloader unlocked phone? How we can make use of it while creating or flashing ROMs? What are advantages of unlocked bootloaders over locked bootloaders? Why does not any OEM generally ...
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6 votes
1 answer
59k views

Can you install a generic ROM on any device? [duplicate]

I am relatively new to rooting and stuff. I have just rooted my android tablet. It's a Chinese tablet, not much about it is available on the internet. Can I install ROM for another device on my ...
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5 votes
2 answers
15k views

How can I flash back to the stock rom for HTC EVO 4G/Supersonic using just the phone and clockwork mod recovery and/or rom manager?

I need to flash back to my stock rom for just a few minutes to get my GPS working again (http://code.google.com/p/cyanogenmod/issues/detail?id=2090&colspec=ID%20Type%20Status%20Version%20Model%...
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4 votes
1 answer
11k views

Do I need to root my phone before installing CM on my S3

Previously I've needed to root my phone before flashing any ROMs on it. Now I have a new s3 and I'd like to install CM on it. However, this installation guide does not mention the need to root the ...
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  • 153
3 votes
2 answers
10k views

Set Warranty Bit: Kernel

So whenever I boot up my device or restart it I see a little yellow message in the top left corner of the screen that reads "Set Warranty Bit: Kernel." I have researched this issue and learned that I ...
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2 votes
1 answer
5k views

Boot loop after flashing Android 6.0 Marshmallow on my Nexus 5

I had Android Lollipop installed on my Nexus 5 (Was Rooted, had TWRP and MultiROM installed) and wanted to simply start fresh with new clean install of Marshmallow. So I followed the instructions (...
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  • 131
2 votes
2 answers
16k views

Can't flash custom TWRP recovery image on Motorola Moto G7 Power phone

I've got a brand new Motorola Moto G7 Power running Android 9. I also have Ubuntu 19.04 running on my desktop. I want to root the phone. I've managed to unlock the bootloader using Motorola's ...
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  • 21
2 votes
0 answers
204 views

How we can know from Download Mode screen if device (Galaxy Tab S6) is factory-new?

[] download screen for my Tab S61 Picture above is from my Tab S6's download screen. Do you see any clue showing that this device is not brand-new? For example anything that should be locked but not ...
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