Samsung SM-J810G FRP Unlock using Odin tool:
1- Flash Combination file.
Make sure your device is atleast 30 percent charged to perform flashing.
- Switch off the mobile
- Press volume down + Volume UP & Connect USB Cable.
- Now open the Odin flash tool.
- Select Samsung SM-J810G Combination file in AP
- Flash the Phone
- After Flash, Switch on Device.
- Factory Mode will appear.
- Go to Setting-> About Phone-> Build No.
- Click on build no. 8 times to enable developer mode.
- Enable USB Debugging and Enable OEM Unlocking.
- Switch Off phone.
2- Flash Stock ROM
Make sure your device is atleast 30 percent charged to perform flashing.
- Switch off the mobile
- Press volume down + Volume UP & Connect USB Cable.
- Now open the Odin flash tool.
- Select Samsung SM-J810G AP or PDA in AP.
- Bootloader in BL.
- Home CSC in CSC.
- Cp file in CP.
- Flash the Phone
FRP Lock will get removed from the phone.