Some userdebug builds have unlocked bootloaders, while others may lock them depending on the vendor. Ensure the update file matches your current Android version (e.g., Android 10, 11, or 12). You generally cannot downgrade from Android 11 to Android 10 safely.
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format. Despite the "OTA" name, these units rarely receive updates automatically over Wi-Fi; instead, they require manual installation via USB or SD card. Version Evolution Ksw-q-userdebug Os Update