If you have USB issues in custom ROMs, go to Advanced > ADB Sideload in TWRP and run adb sideload rom.zip from your PC.
SMT560 has a 480x800, 4-inch display with synaptics touchscreen (S7020A).
TWRP 3.0.2-1 includes:
Deep bug fix: Earlier recoveries had inverted Y-axis on touch. This build backports twrp_touch_orientation flag to remap axis correctly.
Samsung devices have a "recovery restoration" feature. If the system boots normally after flashing, the stock recovery will overwrite TWRP. To prevent this: twrp3021smt560tar upd
If you boot into Android first, you must repeat the flash process.
upd likely stands for Update or User Data. In modding forums, users often append notes to filenames to remember what the file does. It might indicate: If you have USB issues in custom ROMs,
The .tar file is Odin3 v3.10+ compatible with these flags:
Low-level detail: Uses samsung_sign tool with CERT and MAGIC headers stripped – Odin won’t reject it as “unauthorized” (common issue with older TWRP builds for Broadcom devices). SMT560 has a 480x800, 4-inch display with synaptics
