Download tool: Lpro v1.2

Backup

1. use 1 ipwndfu

2. use 2 Boot(send ramdisk)

3. use 3 ssh ( will stock, reopen app and click again)

4. use 4  backup

Then erase or flash lastest ios

Restore 

1. use 1 ipwndfu

2. use 2 Boot(send ramdisk)

3. use 3 ssh ( will stock, reopen app and click again)

4. use 5 restore

Note: iPhone locked is not support and no refund