downgrade to A9 - Redmi Note 8 Pro Questions & Answers

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I downloaded several versions of Android 9 and 10 and checked the anti-rollback row, they were all zero,
but my device's anti-rollback is one .
it is mean, I can not downgrade to any lower version if I update my device to A11?

ARB is a myth in this fragile device. In my observations, there are problems regarding data compatibillity, which means you can't downgrade unless your data is wiped. I bet you don't want to get your data wiped on your daily driver.
Here is the compatibillity list I have observed:
1. Pre-12.0.7: you can flash from any version to any version prior 12.0.7, back and forth. I have been bailed out from sticky situations by downgrading to an early version of MIUI 11 (A9) when I messed up in newer version of MIUI 12 (A10) in its early days.
2. 12.0.7 is standing alone. It's known that xiaomi has implemented different approach on encryption. I guess that is why downgrading from 12.0.7 will bootloop. I never downgraded from 12.0.8 since I think there's no point to do that. Just flash the correct version of MIUI for remedy.
3. 12.5.1 is also standing alone. I guess same thing happen in this version. But what's more? Any non-original image install will also bootloop (for now, that is). Just flash the correct version of MIUI for remedy.

Related

What is anti rollback version of mm

So my version of 7.0 is antirollback version one. Which means mm is also version 1 or 0. But im assumming zv5 and 4 are zero and everything else so far is 1. So i can dg to zv6 or higher if i want to or is that a bad assumption
TheMadScientist420 said:
So my version of 7.0 is antirollback version one. Which means mm is also version 1 or 0. But im assumming zv5 and 4 are zero and everything else so far is 1. So i can dg to zv6 or higher if i want to or is that a bad assumption
Click to expand...
Click to collapse
You can't downgrade if you're ZV5 or higher.
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bilgerryan said:
You can't downgrade if you're ZV5 or higher.
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Thank you for your response.
With a long history in the g4 threads. Secure boots errors and no dl mode. I got her unlocked. Im not even worried about dg. All seems smooth and long battery life. If ibwant full root i should by a unlockable device.
I was just wanting to verify before i did attempt if it was possible.

Red colored "Corrupted" error on boot fixed with Android 8.1 DP?

Not sure if anyone else got this fixed with 8.1 DP, but here is what I found. After flashing the 8.1 DP firmware, the corrupted error was gone and replaced with the normal yellow/orange warning that is typical when you unlock the bootloader. As a test I flashed the Jan 2018 7.1.1 flash, and the corrupted error was still gone! Even relocked the bootloader after re-flashing 7.1.1 to stock, and it worked with no errors, just like out of box stock.
If anyone still has a corrupted error this may help you as it did me. Don't know if it works on 3UK, or other carriers, as Im using T-Mobile USA with the normal version of the razer phone from the Razer web store.
If I understand correctly, you mean this (last image)?
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If that appears, with Razer logos instead of that precaution sign ofc, I understand that the system image got tampered and DM-Verity was active in the boot partition, thus cleaning the device through fastboot solved that.

android 10

by my own interpretation this means it could be installed on non chinese variants
my only question is how?
if i go by the system update screen i can select the package manually however it fails on saying it was expecting a different recovery
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if i am to boot into xiaomis own recovery there i see no manual update package selection
any ideas?
https://www.notebookcheck.net/Xiaomi-Redmi-Note-8-Pro-picks-up-Android-10-sort-of.445043.0.html
"The website also currently has a download link for the firmware, which weighs in at 1.9 GB. However, the 9.11.21 build is a beta version, so expect a few bugs that would not necessarily be present in stable builds. Moreover, all MIUI beta builds are now China exclusives, with Xiaomi having shuttered its Global Beta program earlier this year.
Owning a non-Chinese version of the Redmi Note 8 Pro does not preclude you from installing the build. However, doing so will likely factory reset your device and will leave you without any Google services installed. These could be sideloaded, though. Ultimately, we would probably only recommend installing the build if the Redmi Note 8 Pro is not your daily driver, or you are prepared to live with some instabilities until a stable Android 10 build appears."
fastboot suggestion
https://imgur.com/a/mCUgqZo
https://imgur.com/a/mCUgqZo
.

HTC 10 Rollback to stock ROM issue can't load any RUU/OTA

Hi Guys,
Need some expert assistance.. I tried to root my HTC 10 because of some reason that my battery life issue after the O8 update. My phone will turn-off even my battery charge is still 20% to 30% then I will recharge it. I want to use again the original HTC stock Nougat ROM.
Now. I rooted my phone and unlocked bootloader and I use TWRP. I backup my system/image and copy my backup to my OTG-USB. Then, I wiped all Dalvik, system, cache and data and tried to use Leedroid. But, when I checked my custom rom my telecom provider didn't recognize I guess its not compatible with my provider and now I want to go back to original HTC 10 Nougat 7.0 stock rom.
I can't load/flash any RUU exe or OTA because there's already an error something like related to S-ON or what. I tried to set my S-ON to S-OFF using sunshine-latest.apk but it say's my rom already modified.
I hope someone can teach my what ROM/OTA/RUU that i will use and how to flash OTA/RUU file because there's always an error.
I will attached some images of my phone.. (can't attached link of my images)
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Question [ORIGIN CN VERSION] Android 13 Update

Hey folks,
I have the phone since early summer now and see that other people updated to Android 13 already. Unfortunately I am still running on Android 12.
Can anyone help me, what I am doing wrong? I am registered for beta Updates by opting in on settings menu. Any easy solutions out there for me ?
Best wishes to all of you!
Just received an update notification, Origin OS 3, 7.8 GB, obviously based on Android 13?
Which exact version and do you have the SD version or the MediaTek?
morpheus620 said:
Which exact version and do you have the SD version or the MediaTek?
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I am at version PD2185_A_12.0.15.5.W10.V000L1 on a SD device
I have the same version
still no update
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Current OS: PD2186C_A_13_1.9.8.W10.V000L1
Test Update or normal Update ?
morpheus620 said:
Test Update or normal Update ?
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Normal.
Seems they started rolling it out, beginning with D9000 devices.

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