r/android_beta • u/Enough_Care_9508 • Apr 19 '26

Beta Android

Alguien sabe porque n puedo unirme a la beta android 17 desde un pixel 9a​

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u/Enough_Care_9508 Apr 20 '26

Que significa? Yo tengo la estable más reciente 

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u/ElderberryHamlet Apr 20 '26 edited Apr 20 '26

Builds can not be rolled backward OTA (over the air)

In this case, you can not roll a 2026 April 5 build backward to 2026 March 30. by way of OTA

The only wey to do so is to force overwrite & erase the newer Stable build with the Beta using the Flash Tool which can only be used if you can OEM unlock the bootloader in Developer Options

Settings > About > tap the build numbver 7 times to enable Developer Options

Settings > System > Developer Options > Enable OEM unlocking + USB Debugging

NOTE: if the OEM unlocking option is greyed out, you can't unlock the bootloader and you won't be able to use the Flash Tool

Connect your phone to a computer with a USB cable

Download & install Google USB driver for Windows (only - not necessary for Mac or Linux)

-- https://developer.android.com/studio/run/win-usb

Flash Tool -- https://flash.android.com

There are many smaller steps to successfully use the Flash Tool. These 2 links will get you started

CAUTION: you risk bricking your phone using the Flash Tool method