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I have successfully downgraded from Pie to Oreo G965F (Custom Rom)

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Hello, I will try to be very fast & clear with this:
It's a custom 8.0 Oreo rom works with Pie bootloader (U6CSGD) , thanks to @yash92duster for his amazing work.

So how? PLEASE READ THE COMPLETE TOPIC FIRST!!
1- Installed TWRP from here https://forum.xda-developers.com/gal...xynos-t3763464 (DO AN EFS BACKUP WITH TWRP JUST INCASE)

2- Installed TeamExyKings' LightRom from here: https://forum.xda-developers.com/gal...htrom-t3770243

3- I just downloaded the LightRom (Not AddOns) and flashed it wia TWRP (Read Step 4 before installing!).

Installation instructions from topic:
*In TWRP Recovery Format The Following:
--"Internal, System, Dalvik/ART, Cache"

*Flash ROM Zip

*Reboot And Enjoy The ROM

*** It May Take A While For ROM to Boot, So wait patiently ***

YOU CAN MOVE THE ROM TO DEVICE AFTER FORMAT OR YOU CAN SIMPLY INSTALL FROM EXT SD CARD

4- Instal TTS if you want to add accessibility services such as (Bixby remapper/Navigation bar gestures)
- If you choose anything about bixby remapping while installing the rom you can't change it after installing even with remapper (or Idk how )
- Choose Samsung keyboard if you want to use UPSM.
- I Chose TGB kernel and have no idea about the stock kernel and how it works but TGB works without problems.
- Choose ''Netflix fix' 'if you want to use Netflix. Then, install this version: https://www.apkmirror.com/apk/netfli...31696-release/

BONUS

Idan's GCam 4.1: https://forum.xda-developers.com/sho...&postcount=164
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24th October 2019, 05:20 PM |#2  
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How do you install twrp on a locked bootloader?
25th October 2019, 03:24 PM |#3  
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Quote:
Originally Posted by revized

How do you install twrp on a locked bootloader?

He's using the Exynos version. The Exynos variant isn't bootloader locked, only U.S. Snapdragon variants.
25th October 2019, 10:05 PM |#4  
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Why u did that pie rom better than oreo what's the point of coming back to oreo ????
27th October 2019, 11:46 PM |#5  
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Quote:
Originally Posted by Adham_android

Why u did that pie rom better than oreo what's the point of coming back to oreo ????

Better battery life
Call recording (Removed on Pie by Samsung)
Pro video mode (Removed on Pie by Samsung)
perfect camera quality (Better than original camera like 10 times) with Idan's Gcam for rooted rom

So why not?
1st November 2019, 10:05 AM |#6  
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I did it step by step. Works very well. thanks bro
1st November 2019, 12:11 PM |#7  
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Quote:
Originally Posted by alimokhtarabadi

I did it step by step. Works very well. thanks bro

You're welcome
11th November 2019, 11:52 PM |#8  
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Could someone help me with flashing oreo 8.0 from pie 9.0? I am very confused and I do not want to make any mistake or choose the wrong one. Help me out here. Thank you.
13th November 2019, 03:06 AM |#9  
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Quote:
Originally Posted by xProudDeafLadyx

Could someone help me with flashing oreo 8.0 from pie 9.0? I am very confused and I do not want to make any mistake or choose the wrong one. Help me out here. Thank you.

Well, first of all: ''do this at your own risk, your warranty will be voided! and you wont be able to use Samsung pay, Samsung Pass, Knox, Secure Folder (I think there are some ways for this but dont know how)''.

1- BACKUP ALL YOUR FILES (PHOTOS, DOCUMENTS) AND BACKUP THINGS LIKE WHATSAPP TO GOOGLE DRIVE! I MEAN BACKUP EVERYTHING! Because everything in your phone will be deleted!
2- Download this ROM: https://forum.xda-developers.com/gal...htrom-t3770243 or just download from this link: https://androidfilehost.com/?fid=6006931924117939052 (Tell me if it's slow, I will try to upload it to my Google Drive)
2- Install TWRP from here but remember to read all steps BEFORE YOU START!! https://forum.xda-developers.com/gal...xynos-t3763464
3- Once you installed TWRP turn off your phone and reboot into TWRP by pressing [VOLUME UP] + [BIXBY] + [POWER].
4- Select "Keep /system RO" as usual.
5- Go to "Wipe" menu of TWRP -> Advanced Wipe. Select ''Dalvik / ART Cache, System, Data, Internal Storage, Cache'' and Wipe.
6- Connect your phone to PC and copy the ROM to internal storage (similar to how you transfer files when in system).
7- After copying the ROM to your phone, from TWRP go back to main menu then go to ''Install'' and flash your ROM.
8- Once you press Install Zip, Aroma Installer will be started I mentioned things I did in the post you can check them.

If you didn't get any part feel free to ask and mention which part yo didn't understand or you couldn't do it, from here or DM, wont matter.
Hope this helps you
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15th January 2020, 05:05 PM |#10  
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Piknie dziaƂa - perfekt going - BIG THX
2nd February 2020, 04:47 PM |#11  
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Do I have to wipe internal storage for the ROM to work or can I just skip the internal storage ?
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