How To Guide [One UI 4 Beta] (Snapdragon) S21 Ultra
- Thread starter DoctorNasty
- Start date
Are you officially on the Beta or using the files from here?
If you're not officially on it, you won't receive the OTA to stable, you need to flash it manually. From that point on, you will receive OTA's like normal once you are on stable. But unofficially on the Beta, you will not receive OTA's, even if the last OTA is to stable. You still won't get it.
However, both U and U1 OTA's to stable have been posted here, so you can just sideload which of those correspond to your device to get on the stable build whether you're officially on the Beta or not.
I'm officially in the beta, just have been waiting for the official stable update. I was curious if they had released the OTA in the states yet or delayed it to fix the refresh bug.
So if I Sideload the update I will not get ota updates???
You will still get OTA updates. You can download the firmware from Frija now since its out on the Samsung servers so you can flash via Odin. If you do decide to sideload and update that way that works as well. I'd recommend downloading and flashing with Odin though.
Here's SM-G998U TMB BUKF for anyone who didn't get the OTA.
Flash with Odin, use HOME_CSC to retain user data. It's just an update so you don't need to factory reset.
Always backup your phone first, just to be safe.
Flash with Odin, use HOME_CSC to retain user data. It's just an update so you don't need to factory reset.
Always backup your phone first, just to be safe.
Everything seems good so far. I do know this update fixed the issue with the phone not running @ 120hz
Thank you for this link. Google drive is much faster than trying to get this elsewhere and this update made a huge difference in speed/fluidity. I appreciate it!
I think they did because in samkey, i come up unlocked and i puy qlinks sim card in and it activated immediately? Or am I trippin?
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18BETA 1 G998U1 AUH9 to ZUID : Download thanks to @darkjavapro
BETA 1 G998U AUGQ to ZUID: Download thanks to @goofwear
BETA 2 G998U ZUID to ZUJ1: Download thanks to @goofwear
Beta 2 G998U1 ZUID to ZUJ1: Download thanks to @darkjavapro
Beta 3 G998U ZUJ1 to ZUJG: Download thanks to @goofwear
Beta 3 G998U1 ZUJ1 to ZUJG: Download thanks to @darkjavapro
Beta 4 G998U ZUJG to ZUK1: Download thanks to @goofwear
Beta 4 G998U1 ZUJG TO ZUK1: Download thanks to @elliwigy
Here is instruction how to capture update file: https://forum.xda-developers.com/t/...for-s21-plus-ultra-download-ota-link.4333487/
Instructions provided by @elliwigy :
- Model needs to be G998U or G998U1
- Flash the starting firmware to your device using modified odin if you are not already on it (this example needs to flash G998U1 4AUH9 to your G998U or G998U1 if not already on it.)
- Download G998U1 4AUH9 to 4ZUID update.zip to your PC.
- Have the update zip in same directory as ADB binary (if not in PATH) then open a terminal window (Windows will be powershell or cmd prompt.)
- Use hardware buttons to enter recovery mode then select "Apply Update Using ADB...) or if you have adb on device authorized can type in terminal "adb reboot sideload" or "adb reboot recovery" then select "Apply Update Using ADB..."
- Once in sideliad mode, type in terminal "adb sideload nameofupdate.zip"7seems people forgot how updates work.. if you post a ota file you should list the device, starting firmware and the firmware you are moving to else it will not work..
for example i posted link for G998U1 4AUH9-4ZUID zip..
This means the following:
Device: SM-G998U1
Firmware I Was On: 4AUH9
Beta Firmware: 4ZUID
So the steps would be (f9r this specific example):
1) Own a SM-G998U or SM-G998U1
- since the zip is for G998U1, if you own a SM-G998U, you will need to flash SM-G998U1 firmware to it using modified odin (see next step for firmware info)
2) In my example (also was my case) my device was on G998U1 rev4 firmware 4AUH9. Therefore to use the zip you need to be on this same firmware. If you arent already then you would need to use modified odin to flash your g998u or g998u1 to rev4 G998U1 4AUH9 firmware else install will fail.
3) Download the zip (if you download directly from Samsung you'll get a bin file, just rename it to .zip if you want or if you have issues installing it named .bin).
4) Using adb, type: adb reboot sideload
5) Once in adb sideload, type: adb sideload update.zip
- Depending on what OS you are using, adb might be in your path, if not then have the adb binary in same directory as your update zip. If its in path just open terminal in same directory you have the update zip.
6) Let it update, it might take a while but should go through successfully.
If you are not sure what firmware you need to be on then you can open or extract the zip using an archive manager such as 7-zip and navigate to the update-script and open it in a text editor like notepad++ and you will see what you need to be on to start with.
The update-script has commands to do various checks so when you go to sideload it, it will check what device you are on, what firmware you are on, if firmware has been modified on the device, if zip has been modified etc. and if something doesnt check out it will fail. For example if youre rooted it will fail.. 8f you modify the zip it will fail.. if you try to flash a zip on a different variant or model it will fail.. if you arent on the starting firmware it looks for it will fail..
this is how its always been and is designed to not brick your device as well as security in mind i.e. cant pre root or change script to root device as it will break the zip/signature etc. etc.66
Just relax, take a breath, make a coffee, don't take it to heart. Everyone is an asshole on the internet. @Jay5583 probably just stubbed their toe and was pissed off at the world so they lashed out at you.. Or they just clearly didn't know there is a typo in the opening post. It says that Beta 1 for G998U is AUH9 to ZUID, which is not true. It's AUGQ to ZUID. AUH9 is ONLY for "U1" and does not exist for "U" (which is why it would seem like such a simple task to just tell people to search instead of actually helping, because finding a firmware is a fairly simple thing to do, and if people won't help themselves than why help others) but they CLEARLY didn't know that AUH9 doesn't exist for "U" because it's a "U1" only firmware which is why you're not finding anything, because no matter how hard you search, you're not going to find a firmware that doesn't exist lol. So, don't take it to heart that they were coming across as rude because from the information provided on here, it seemed like a very simple task and they were probably just pissed about something else and lashed out at you for asking such a simple question. But the real issue was the typo and the firmware you as well as they thought you needed, doesn't actually exist.
I'll try to explain why it's AUGQ. If you download that file in the first post with all of the links, you'll get a .bin file. Change .bin to .zip, and you can open it. Navigate to META-INF > com > google > android and in there, you will see update-script. If you open this file with notepad or something, you can see on line 5, it says
ui_print("[FEN] source: samsung/p3qsqw/p3q:11/RP1A.200720.012/G998USQU4AUGQ:user/release-keys");
The key part you want to pay attention to is the full build string G998USQU4AUGQ, or rather the last four characters "AUGQ".
This is the SOURCE it's looking for, so when you flash this update file, it will look for that EXACT firmware. If it does NOT see that, it will fail at 47% as so many people on here have seen because of that last U1 Beta 4 upload being the wrong link. (It was for Beta 3, so everyone was failing at 47% because the Beta 3 file everyone downloaded thinking it was Beta 4, it was actaully Beta 3 looking for Beta 2 firmware as the source to flash over top and upgrade to Beta 3, but everyone's phone was already on Beta 3 as the source, so because it was on the wrong source firmware it couldn't flash).
So once you are on the SOURCE firmware, so for G998U, the source needs to be AUGQ, then you can flash Beta 1 for "U", and flash right over top of that Beta 2/3/4 and you're good to go. Maybe do a factory reset after AUGQ to Beta 1 just to assure full stability by removing all One UI 3.1 lingering files that could be in the background and cause stability issues.
@DoctorNasty will eventually fix this typo in the opening post whenever they have some free time so that Beta 1 for G998U is AUGQ to ZUID, not AUH9 to ZUID.
I've already found the firmware you need, and uploaded it to my Google Drive to make your life a little easier
G998U AUGQ
I've also written a full guide here if you need any help along the way. I've covered everything as well as some troubleshooting and other notes and links.
And I have a video guide on YouTube here if you need to see the process first hand if you're more of a visual learner or want to ask questions in the comments or anything.
