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[Q] help with custom ROM installation process of CM7 a9

I would like to install CM7 alpha9 MTD from this thread http://forum.xda-developers.com/showthread.php?t=2309390
The process I imagine is as following:
- backup things (I'm not sure how exactly this part works, if you know how to backup application data please help)
- flash the https://cm7-i5800.googlecode.com/files/CM7_Kernel_MTD_OC1Ghz.tar kernel with ODIN without repartitioning (as PDA I'm guessing, unless there's an option for "kernel" in which case it's kernel, which one is it? )
- boot to recovery
- format /system, /data, /preload
- install the ZIP of the ROM: https://cm7-i5800.googlecode.com/files/CM7.2.0-GT-I5800_Alpha9_MTD_CWM.zip
- install the ZIP of the google apps for 2.3.7: http://www.devfiles.co/download/wBDwQIzb/gapps-gb-20110828-newtalk-signed.zip
- install SuperSU ? is this necessary with CM? Although I have doubts, as it was never mentioned unlike for Omni, so I guess not for this one
- reboot phone
- enjoy CM7
So basically I'm asking, am I missing out on anything basic but important that would result in bricking? And
- how to backup application data to be retrieved after flashing
- is the kernel a "PDA" or is there another thingy for it in Odin that needs be done?
- do you need to install any previous versions of CM7 for this MTD thing to work?
- does the kernel provide a recovery with which this ROM can be installed?
If you managed to get to the end, thank you - And thanks in advance for the help

Installing a rom
Zhuinden said:
I would like to install CM7 alpha9 MTD from this thread http://forum.xda-developers.com/showthread.php?t=2309390
The process I imagine is as following:
- backup things (I'm not sure how exactly this part works, if you know how to backup application data please help)
- flash the https://cm7-i5800.googlecode.com/files/CM7_Kernel_MTD_OC1Ghz.tar kernel with ODIN without repartitioning (as PDA I'm guessing, unless there's an option for "kernel" in which case it's kernel, which one is it? )
- boot to recovery
- format /system, /data, /preload
- install the ZIP of the ROM: https://cm7-i5800.googlecode.com/files/CM7.2.0-GT-I5800_Alpha9_MTD_CWM.zip
- install the ZIP of the google apps for 2.3.7: http://www.devfiles.co/download/wBDwQIzb/gapps-gb-20110828-newtalk-signed.zip
- install SuperSU ? is this necessary with CM? Although I have doubts, as it was never mentioned unlike for Omni, so I guess not for this one
- reboot phone
- enjoy CM7
So basically I'm asking, am I missing out on anything basic but important that would result in bricking? And
- how to backup application data to be retrieved after flashing
- is the kernel a "PDA" or is there another thingy for it in Odin that needs be done?
- do you need to install any previous versions of CM7 for this MTD thing to work?
- does the kernel provide a recovery with which this ROM can be installed?
If you managed to get to the end, thank you - And thanks in advance for the help
Click to expand...
Click to collapse
Reboot to recovery, make a backup (you'll find in the menu)
Make a full wipe(in recovery)
- install the ZIP of the ROM: https://cm7-i5800.googlecode.com/files/CM7.2.0-GT-I5800_Alpha9_MTD_CWM.zip
- install the ZIP of the google apps for 2.3.7: http://www.devfiles.co/download/wBDwQIzb/gapps-gb-20110828-newtalk-signed.zip
- flash the https://cm7-i5800.googlecode.com/files/CM7_Kernel_MTD_OC1Ghz.tar
Install all these 3 zip with One Package ticked
Reboot and enjoy
Good luck

to install CM7 alpha 9 MTD you first need to be running CM7 alpha 9, which you flash with ODIN http://forum.xda-developers.com/showpost.php?p=14240212&postcount=1
then follow the instructions in the previous reply from sakenas to update to CM7 alpha 9 MTD using clockwork mod recovery.
only flash the 1ghz kernel after you have updated to CM7 alpha9 MTD.
you flash the kernel with ODIN using the one package method, exactly the same way you will have flashed CM7 alpha 9.

Unroot + Revert To Stock - NO USB!

I'm trying to restore my N5 to absolute stock, but I don't have use of the USB port at all, after it got in an argument with a puddle!
Ideally I want to put the device back to stock, so that it can be updated to 5.0, which I can't do at the moment as it's quite heavily customised/rooted which stops the updates installed.
Does anybody know if there's a way to do this? Thanks!

Yes it is, flash this file in your recovery.
http://www.androidfilehost.com/?fid=23501681358549862
That file is Android 4.4.4 Kitkat flashable zip file.
- Un-mount /system in TWRP/CWM
- Wipe: system, dalvik and cache (note: if you want to clean install, wipe data as well)
- Flash ROM (be patient - takes a while)
- Flash SuperSU (optional)
- Reboot

Isus <3 said:
Yes it is, flash this file in your recovery.
http://www.androidfilehost.com/?fid=23501681358549862
That file is Android 4.4.4 Kitkat flashable zip file.
- Un-mount /system in TWRP/CWM
- Wipe: system, dalvik and cache (note: if you want to clean install, wipe data as well)
- Flash ROM (be patient - takes a while)
- Flash SuperSU (optional)
- Reboot
Click to expand...
Click to collapse
Fantastic, thank you!

[ROM] Pantech SKY Vega Racer 3 IM-850K (and L/S) ROM based on Latest Stock Kitkat

Instead of rooting, installing CWM and then installing the ROM, it’s better to just:
• Copy the downloaded ROM to Internal Memory or SDCard (modem file also for L/S versions)
• Download universal fastboot/adb drivers (link provided)
• Turn Off the phone, Press VolUp+VolDown and press power until you are in the bootloader
• From there select Fastboot
• Browse for drivers when prompted and install them (you may have to forcefully install them)
• Download recovery (link provided) and run CWM 6.0.4.8.bat (recommended) or TWRP 2.8.6.0 (may not work well with stock based roms) and the phone should boot straight into recovery
• Factory Reset, Wipe Cache and Dalvik
• Formatting System, Data and Cache is up to you
• Install ZIP and when you are about to reboot it’ll ask to disable flash recovery, select NO to keep the stock recovery as you can boot into custom recovery directly anyways
• Stock recovery is a better option for factors resets and adds a little more security of data in case phone is lost/stolen
• Doesn’t matter if you are coming from AOSP or any other ROM. This ROM also installs Modem, Stock Recovery etc…
Enjoy the stock KitKat sweetness 
NOTE: You may also try installing the ROM on L/S versions but make sure to install Modem file right after installing the ROM. Links for modem files are also provided here for convenience
Here are links to download:
1. Fastboot/ADB Drivers
http://forum.xda-developers.com/attachment.php?attachmentid=3446458&stc=1&d=1440144523
2. Recovery
https://drive.google.com/file/d/0B8_wtN-YXTxndkhkZ2QwcTR1d2c/view?usp=sharing
3. ROM
https://drive.google.com/file/d/0B8_wtN-YXTxnTGRBWnpyZmlzd1E/view?usp=sharing
4. Link Modem: 850L
https://drive.google.com/file/d/0BxveGwot73rCYmZlem5JbXJDQkE/view?usp=sharing
5. Link Modem: 850S
https://drive.google.com/file/d/0BxveGwot73rCTkV1amFpVHVJR1k/view?usp=sharing

Installing Lineage OS on Yu Yunique Without Error 7 and bootloops

Hey everyone,
During the initial versions of LineageOS, I wasn't been able to install it due to error:7 (Baseband error).
Now, I have tried a method that worked on my yu Yunique device.
This method can be used for any other device also but you have to find corresponding ROM file and other stuffs for your device only.
**Remember to take a full backup before experimenting with your device**
Procedure:
You need following things before you start-
1. LineageOS rom file: https://download.lineageos.org/jalebi
2. Open Gapps: http://opengapps.org (choose platform=ARM, android=7.1 and variant of your choice)
3.Caesium kernel: https://transfer.sh/Yqhm8/Caesium-jalebi-20170701-140319-v2.1.zip
4:LineageOS root file:https://download.lineageos.org/extras (Name: su(arm), version:14.1)
5. Firmware File: https://www.androidfilehost.com/?fid=673368273298934200
NOTE **There are some times that this method won't work in the latest TWRP i.e 3.0.3-0. So, revert back to TWRP 2.8.7.0 and then try the given method.**
Method:
1. After taking a backup of your previous working ROM, wipe off the Dalvik cache + system + cache + data in the recovery.
2. Flash the firmware image.( This solves the baseband error problem)
3. Flash the lineageOS rom file.
4. Now flash the caesium kernel( prevents bootloop)
5. after flashing all 3 files, reboot into system.
The first bootup will take about 2-3 minute(can go upto 5-7 min also). so have patience.
This worked for me. If it also works for you too, then please tell.
Also, you can watch my youtube video for the same:https://youtu.be/nYOsDeG5Kfs
Thank you
NOTE**All the file provided above belongs to their corresponding developers. I am just sharing it for help**

helpful guide
You can also solve this prob by delete baseband line in updater script

Helpful !!!!

Can´t Install Any Custom ROMs Please Help [BOOTLOOP]

Hello, so, my problem is same as title says.
I´ll try to write it as short as possible.
I tried to install Resurrection Remix, Lineage OS, Arrow OS, BootLeggers ( All are unofficial builds for my Redmi 6 ), but everytime I got the constant rebooting bootloop, so I need to go to TWRP and flash Official MIUI ROM
Here are my installation steps for Resurrection Remix ( Pretty same as In this Tutorial ) :
1. - I went to TWRP ( LR. Team TWRP 3.3.1 )
2. - It was showing Internal Storage (0MB), so I click on Wipe - Format Data - yes
3. - After that also Wipe - Advanced Wipe - I selected Dalvik / ART Cache, System, Cache, Data, Vendor
4. - I moved RR Flashable .zip file and Magisk v19.3 from my PC to phones Internal Storage (via USB Cable)
5. - I clicked on Install - RR-P-v7.0.2-20200111-cereus-Unofficial.zip - Add more zips - Magisk-v19.3.zip
6. - After that, I clicked on Wipe cache/dalvik, checked if I´ve got any errors and clicked on Reboot
7. - After that, phone started to restart around every 5 seconds until I went to TWRP and Installed Official MIUI ROM
BONUS. - Tried also on second try to flash MIUI Firmware before RR .zip file, but the results were same.
Also I don´t want Gapps in my phone so i didn´t flash them.
With other ROMs it was same, always bootloop. Here are all .zips, links to forums, tutorials that I followed.
So please message me what´s the issue, especially while installing Resurrection Remix, because this is the ROM that I would like to install the most.

I know it's too late for reply I'm just posting this so that others (like myself) can see this. Lets keep the community for this phone alive!
Install MIUI V10.4.4.0 (I found that this version works for me), Disable DM verity (https://forum.xda-developers.com/t/...ncrypt-disk-quota-disabler-11-2-2020.3817389/) and finally wipe data and install your custom rom.
It will bootloop on the first boot so wait a few seconds then force reboot