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Question Oneplus 9 | LE2113 | 11.2.4.4.LE25AA | How do I convert to EU firmware

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Slofh

New member
Jun 14, 2021
2
0
Hi there, I bought a Oneplus 9 (12/256) directly from Oneplus Singapore. Everything is great except for the fact that I hoped to update the software to a newer version ( 11.2.7.7 / 11.2.6.6 ) to enjoy the bug fixes and improvements.

The phone came on 11.2.3.3.LE25AA
The default system update showed that it was the latest version.
Okay......then I learnt about Oxygen Updater and used it to update to 11.2.4.4.LE25AA
However, when I proceeded to update further to 11.2.5.5, the app was still showing me that the latest software is 11.2.4.4 (What??)
I then learnt that my phone was running on Global Firmware which was stuck on 11.2.4.4 and though the incremental update from 11.2.5.5 to 11.2.6.6 was available, without being able to update to 11.2.5.5, I was stuck on 11.2.4.4...........
Then I researched my model number and realised that LE2113 meant my Oneplus 9 (purchased directly from Oneplus) was the EU variant.....running the Global firmware......sigh......

So here I am now, seeking advice from you knowledgeable folks, how do I go about getting my phone to run on the EU firmware so that I can enjoy faster(?) updates.
Is it as simple as downloading the full zip of 11.2.6.6.LE25BA from Oxygen Updater and using Local Upgrade in the default System Update? Will this wipe my data?
Or will I have to root/flash or something complicated