OnePlus 8/8 Pro!

crazyrobot

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He flash the ba . If aa also will work. The bug is in the initial rom.

Tried to downgrade from 10.5.12.IN11AA to 10.5.10
.IN11AA using msmdownloadtool, gpay not work on taking bus. Then upgraded to 10.5.12.IN11AA via full update ROM, gpay not work either.
 

eskimobster

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I also successfully used Gpay on MRT and Bus past few days at least 10 tap in/out no issue.

Initially reading the thread didn't expect much but pleasantly surprised that so far no issues at all.
 

KeYoKe

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So to keep things simple:
1. Download Android 11 Developer Beta from:
Oneplus 8 -

https://oxygenos.oneplus.net/OnePlus...d23b294492.zip

Oneplus 8 Pro -

https://oxygenos.oneplus.net/OnePlus...11689d490a.zip

2. Downgrade to Stable release:

Oneplus 8 -

https://oxygenos.oneplus.net/OnePlus...7388f24f3c.zip

Oneplus 8 Pro -
https://oxygenos.oneplus.net/OnePlus....9d5b29a0d9834b5d.zip



Steps to flash in between builds:
1. Download the latest ROM upgrade zip package from the specified server.
2. Copy the Rollback package to the phone storage. (Skip this step if you download directly on your phone)
3. Go to Settings -> System -> System Updates -> Click top right icon -> Local upgrade -> Click on the corresponding installation package -> Upgrade -> System upgrade completed to 100%.
4. After the upgrade is complete, click Restart.
5. Update successful.

After downgrading, i will recommend to boot to recovery mode to wipe cache:
1. Press Vol Down + Power Button
2. Wipe Data and Cache
3. Wipe cache
4. Wipe data




NOTE: DATA WILL BE WIPED AFTER DOING THE DOWNGRADE. PLEASE ENSURE YOU BACKED UP YOUR DATA BEFORE DOING THE ABOVE
 
Last edited:

athenodorus

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So to keep things simple:
1. Download Android 11 Developer Beta from:
Oneplus 8 - https://oxygenos.oneplus.net/OnePlus8Oxygen_15_OTA_0030_all_2008081530_4dc587d23b294492.zip
Oneplus 8 Pro - https://oxygenos.oneplus.net/OnePlus8ProOxygen_15_OTA_0030_all_2008081530_9a9db011689d490a.zip

2. Downgrade to Stable release:
Oneplus 8 - https://oxygenos.oneplus.net/OnePlu...all_2007160040_downgrade_44ff527388f24f3c.zip
Oneplus 8 Pro - https://oxygenos.oneplus.net/OnePlu...all_2007160041_downgrade_9d5b29a0d9834b5d.zip

Steps to flash in between builds:
1. Download the latest ROM upgrade zip package from the specified server.
2. Copy the Rollback package to the phone storage. (Skip this step if you download directly on your phone)
3. Go to Settings -> System -> System Updates -> Click top right icon -> Local upgrade -> Click on the corresponding installation package -> Upgrade -> System upgrade completed to 100%.
4. After the upgrade is complete, click Restart.
5. Update successful.

Will data be wiped?
 
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