Samsung A3 SM-A310F - FRP Cloud Lock

Разблокировка FRP

1. Flash Service Image ( Сервисная прошивка )
- Odin -- Use the AP or PDA in older version
- boot phone into Download Mode ( blue screen - volDown+Home+Pwr ; rel; volUp )


2. Enable USB debugging on Phone0
> Settings > SW info > tap 10x times Build Number >> DevOps mode

3. Power phone off
-- start to Download Mode again

4. Flash Stock ROM
-- Choose correct country + provider
-- https://www.updato.com

5. Enable OEM Unlock
-- Settings > Developer Mode > Enable OEM Unlock (Disable device security)

now you can flash TWRP and root your A3 .. or keep it in Stock and Encrypt it ;)

6. Flash TWRP Recovery image

Android 7.0+ on Samsung with ROOT -- disable encryption

Разблокировка FRP

• Обход FRP на android 7 (1)
• Обход FRP на android 7 (2)
• Способы обхода Google-аккаунта (FRP Lock)

Serial connection in Linux / ttyUSB

USB Serial / console connection in Linux

List all USB devices:
lsusb ----------------
Show USB Serial Devices & Drivers
cat /proc/tty/driver/usbserial
 ----------------
Show dev output of USB Serial
cat /proc/devices | grep -i "ttyUSB"
ls -al /dev/ttyUSB*
----------------
Change permissions for USB Serial to wrk properly (you might use 666)
chmod 777 /dev/ttyUSB* ----------------
Connect via minicom terminal (Ctrl+A Z to show menu, O to Serial Port Config, change settings as needed - usually only speed)




sudo apt install minicom
sudo minicom --device /dev/ttyUSB0

----------------
You might also use a PuTTY (Ubuntu has it in repo)
sudo apt search putty
sudo apt install putty putty-tools
----------------

Personally using a Quad Console Cable
Future Technology Devices International, Ltd FT4232H Quad HS USB-UART/FIFO IC

usb 1-12.1: FTDI USB Serial Device converter now attached to ttyUSB0
usb 1-12.1: FTDI USB Serial Device converter now attached to ttyUSB1
usb 1-12.1: FTDI USB Serial Device converter now attached to ttyUSB2
usb 1-12.1: FTDI USB Serial Device converter now attached to ttyUSB3