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[TOOL][ROM] UpdateEngine UI -- Flash Android O beta without wiping data

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By ur0, Senior Member on 19th December 2017, 06:55 AM
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I highly recommend @JamFlux's work instead. Currently, this has got way more complicated than it should be (in the past 24 hours, only 40% users have managed to accurately follow the procedure, and even less for the latest beta). However, I will continue working on this project in order to make it compatible across more devices. The app is now open-source and you can visit the GitHub repo here. Thanks for using UpdateEngine Interface and I hope to see you folks again soon.


I've created the UpdateEngine Interface, a tool to install OTAs that haven't been assigned to your device. It talks to Android's update_engine binary to flash the block-based updates just the way the original updater does, ensuring that your data is preserved and your system partition's signature doesn't change.

TLDR: It allows you to install Oreo without using someone else's TWRP backup or losing data.

Now has the latest build (20th December)

Installation:
  1. Install Magisk
  2. Install the attached Magisk module (named UpdateEngine_1.2.zip) and reboot
  3. Open the newly installed UpdateEngine app and press start
  4. Wait for the installation to complete and restart your device to boot into Android O
  5. If you wish to update to the latest beta, use Magisk to install UpdateEngine_1.3.zip afterwards

Note: If you're a FlashFire user, please uninstall it and reboot before continuing.
Note #2: You must install Oreo via v1.2 before installing the latest beta (via v1.3).

XDA:DevDB Information
UpdateEngine User Interface, Device Specific App for the Xiaomi Mi A1

Contributors
ur0

Version Information
Status: Stable
Current Stable Version: 1.1

Created 2017-12-19
Last Updated 2017-12-19
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Attached Files
File Type: zip UpdateEngine-1.3.zip - [Click for QR Code] (1.15 MB, 3542 views)
File Type: zip UpdateEngine_1.2.zip - [Click for QR Code] (1.15 MB, 2108 views)
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19th December 2017, 07:02 AM |#2  
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Does it need a virgin /system?
19th December 2017, 07:03 AM |#3  
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I love you! thats what we need.
19th December 2017, 07:04 AM |#4  
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Quote:
Originally Posted by konradit

Does it need a virgin /system?

Yeah. It requires that the system hasn't been modified since the December OTA (just like the original updater) since the updates are applied block-by-block.
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19th December 2017, 07:15 AM |#5  
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Which beta does it have currently? THE first one or newer?
19th December 2017, 07:18 AM |#6  
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Quote:
Originally Posted by jazzthe#1

Which beta does it have currently? THE first one or newer?

I only have the first build, since that's the only one that people captured (I'm not in the beta, so I can't get the newer ones myself).
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19th December 2017, 07:19 AM |#7  
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Okay
19th December 2017, 07:23 AM |#8  
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@ur0 wow, thats awesome, thank you bro)
19th December 2017, 07:24 AM |#9  
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This looks interesting, although I'm waiting for Xposed Oreo. A question though, I've heard the leaked Oreo build is rooted, does this method install untouched boot.img?
19th December 2017, 07:26 AM |#10  
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@Filip013 yes, this installs the untouched boot.img.
@rostifaner and @TerQQ, You're welcome!
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19th December 2017, 07:36 AM |#11  
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so this tool can install android O ota beta without twrp ? and without losing data ? and how to install this tool ? sorry for many question .
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