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[ROM][12.0][cepheus] ArrowOS [Twelve][STABLE][OFFICIAL][2021/10/31] by Lamjiidii1

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03jack

Member
Aug 6, 2017
22
3
Use this recovery 11.3
wipe system dalvik data and cache
flash Arrow os
Then flash firmware, I used 12.5.1.0 eea u can also use 12.5.4 china
I also formatted data partition cuz of encrypted partition on miui
Then reboot and wait 5 min to boot
Enjoy 😌
Thank you very much for your suggestion!
I just have a question: why flashing MIUI firmware AFTER flashing ArrowOS?
They're even a different Android version: MIUI 11 Arrow 12
 

beastbrain

Senior Member
Jul 4, 2018
79
30
I can confirm that this works smoothly so far, I didn't flash firmware at all,
I formated data before and after install rom,
battery seems same with 11 but will come back on this,
gpay works
in general very snappy, good job dev
 

Riichard63

Senior Member
Jan 23, 2013
1,047
524
Hello,
First of all thanks you for this rom i'm using it for half a dayy for now and no major issue, i was scared about phone freezing or rebooting for m'y alarm clock but all went fine.
Just a small question, is it possible to disable 180° rotation? It's an annoying comportement inherited from MIUI.
Another question to users did someone manage to use Android 12 pixel launcher?
 

shoma_81

Member
Sep 6, 2013
26
12
40
Kazan
4pda.to
All OS 12 SP1A roms have the same telephony error:
java.lang.NoSuchMethodError: No virtual method isDataAllowedInVoiceCall()Z in class Landroid/telephony/TelephonyManager; or its super classes (declaration of 'android.telephony.TelephonyManager' appears in /system/framework/framework.jar!classes3.dex)
And there really is no such method in the framework. In SPB4 and SPB5 there is
 

wallef.

New member
Apr 19, 2017
2
1
This custom rom is this good, without many bugs or errors. But the fingerprint didn't work and Battery is a little high on its expense.Otherwise ok for now.Thank you very much
 
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MarcinXDA

Senior Member
Oct 24, 2010
233
52
Warsaw
It doesn't pass signature spoofing on my phone. Clean installation vanilla, no root, memory not encrypted.
What can I do to enable signature spoofing?

Screenshot_20211104-151852_Quickstep.png
 

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