You pick up your Sony Xperia after a factory reset, ready for a fresh start. Instead of the home screen, you are greeted by a wall: "Verify your account – This device was reset. To continue, sign in with a Google Account that was previously synced on this device."
See the evolution of these bypass techniques through these community guides: Sony Xperia Frp Unlock Tool
is a Google security feature introduced with Android 5.1 Lollipop. When you enable a Google account on your Sony Xperia (and activate device protection), the phone ties the hardware to that specific account. The Ultimate Guide to the Sony Xperia FRP
If software tools fail (common on Sony Xperia L4 or XA2 Plus), you need the method. This is the most reliable Sony Xperia FRP Unlock Tool for hard bricks, but it requires opening the SIM card tray or removing the back cover. When you enable a Google account on your
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