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: Flash the Zong-specific WebUI to bring back the original dashboard.

: Apply the modded firmware that enables the ADB/Telnet ports.

: The repair files typically cover 21.333.64.00.1456 , 21.333.64.01.1456 , and 21.333.64.02.1456 . Key Components :

: Use AT commands (e.g., AT^CIMEI="Your_IMEI" ) to fix the device identity.

Versions starting with are high-security builds that often require a specific "downgrade" or "loader" file to bypass restrictions before you can flash the repair firmware.