ROOT J810Y U4 9

Root package for the J810Y with binary U4 on Android 9, distributed as a 15.5 MB tar archive. It is intended for Odin in download mode, where it overwrites the boot or recovery partition with a patched image that gives root. The Y variant and the fourth bootloader revision must match the phone, which you can confirm in the build number under settings. Flashing a mismatched package fails or causes a boot loop. Make a backup first and keep stock firmware available for recovery.

The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @mobile_jump2. Enginerys does not host this file.

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