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How To Guide [OneUI 4.0 Beta 1 & 2](EXYNOS) Update.zip for S21 / Plus / Ultra - Download OTA Link

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KokosTech

Member
Sep 14, 2021
9
32
ql.kaloyan.tech
So, now that we have OneUI 4.0 Beta 1 rolling out to countries (ofc only 7), it has come so far in Germany & Korea (as far as I know). So the rest of the world wants an update.zip link, so don't be selfish and please, if you have one, capture the .bin file and share it in this thread.

How to capture:
I:
Install HTTP Canary app: https://m.apkpure.com/httpcanary-—-http-sniffer-capture-analysis/com.guoshi.httpcanary
1. Load canary
2. Start the update download but don't pause it.
3. Go back to canary and start that and it will grab the link.
(easiest method, by AndrzejDwo)
II:
Follow this: https://www.androidjungles.com/how-to-capture-ota-update-url-for-android/

If someone uploads it to the internet, you'll find the link/s in the second post in this thread.

[UPDATE] New link for the S21 Ultra (Exynos) - down on the second
[UPDATE2] You can watch a tutorial that I did back when OneUI 3.0 Beta was a thing on my S10 (the process is similar): YouTube

* This thread was made in order to centralise the update conversation / OTA links.
 
Last edited:

KokosTech

Member
Sep 14, 2021
9
32
ql.kaloyan.tech
This is where I'll put the OTA /update.zip/ links for the S21 / S21P / S21U:

How To:
Rename [name].bin to [name].zip and paste it into the adb folder

Enable USB Debugging from the Developer Options
Reboot your phone
./adb start-server
Trust the computer
./adb reboot recovery
With vol-up and vol-down go to ADB Update and press the Side/Power button
./adb sideload update.zip

!!! Remove ./ if you're using Windows

!!! Obviously Google Pay and (possibly) other banking apps don't work

Download Links:

Galaxy S21: Link
Galaxy S21 Plus: ...
Galaxy S21 Ultra (Beta 1): http://fota-secure-dn.ospserver.net...WSA210914132817&px-wctime=2021-09-14 13:28:17 - From gashishpetim
S21 Ultra (Beta 2): Link
 
Last edited:
So, now that we have OneUI 4.0 Beta 1 rolling out to countries (ofc only 7), it has come so far in Germany & Korea (as far as I know). So the rest of the world wants an update.zip link, so don't be selfish and please, if you have one, capture the .bin file and share it in this thread.

How to capture:
Install HTTP Canary app: https://play.google.com/store/apps/details?id=com.guoshi.httpcanary
1. Load canary
2. Start the update download but don't pause it.
3. Go back to canary and start that and it will grab the link.
(easiest method, by AndrzejDwo)

If someone uploads it to the internet, you'll find the link/s in the second post in this thread.

* This thread was made in order to centralise the update conversation / OTA links.
The app is not in Google play.
 
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wh1t3w0lf

Senior Member
Jun 4, 2006
182
54
40
Kempton Park
Samsung Galaxy S21 Ultra

Sideloading through recovery: Using Android Debug Bridge (ADB)​

  • Make sure you have the latest version of ADB installed.
  • Rename the downloaded .bin package to update.zip.
  • Now reboot to the recovery mode. Inside the stock recovery environment, you can scroll down using the volume buttons and select an entry using the Power button.
  • Select apply update from ADB and connect the phone to the PC using a working USB cable.
  • In the Command Prompt/Terminal window, run the following command:adb devices
  • Wait to see that the daemon has started and that your device is found. Then run the following command:adb sideload PATH_TO_update.zip
 

Darbar1701

Senior Member
Nov 25, 2016
618
182

Sideloading through recovery: Using Android Debug Bridge (ADB)​

  • Make sure you have the latest version of ADB installed.
  • Rename the downloaded .bin package to update.zip.
  • Now reboot to the recovery mode. Inside the stock recovery environment, you can scroll down using the volume buttons and select an entry using the Power button.
  • Select apply update from ADB and connect the phone to the PC using a working USB cable.
  • In the Command Prompt/Terminal window, run the following command:adb devices
  • Wait to see that the daemon has started and that your device is found. Then run the following command:adb sideload PATH_TO_update.zip
You can just put the zip file in the same folder as the ADB then just do sideload update.zip
 

adamlee2012

Senior Member
Jun 11, 2012
1,878
711
United Kingdom
Samsung Galaxy S21 Ultra
Thank you for creating this thread @KokosTech !
I have one suggestion. Write which build can upgrade to which build. For example, like here.

I will be making a video guide on how to install via ADB as soon as possible and if I have your permission may I post it here?
Thank you for this. I've done everything right I can think of but can't get it to install. Someone suggested renaming the file on pc but doesn't work. I get update.zip.zip
 

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carlitobahsoun

Senior Member
Sep 26, 2012
3,645
1,483
54
beirut lebanon
Thank you for creating this thread @KokosTech !
I have one suggestion. Write which build can upgrade to which build. For example, like here.

I will be making a video guide on how to install via ADB as soon as possible and if I have your permission may I post it here?
yes and must important i think for all who try to update to beta one ui 4 must be on latest September patch example : for s21 ultra AUHD.
 
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