If you can still access the device, go to .
Common versions used for JNY-L21 downgrades include 10.0.1.167 or 10.1.0.226 .
model, professional GSM software remains the most effective solution for permanent removal.
). It may require a "Harmony TP cable" to create a connection port for removing the activation lock.
For this guide, we will assume you are using the , as it is the most accessible professional tool for individual users.
: A digital license-based tool frequently used for "one-click" removals on modern Android devices. The "Test Point" Procedure
Depending on your technical skill and the phone's current firmware, you can choose between these approaches:
