Advan S4Z Firmware Flashing

Here you can download Advan S4Z firmware. There are 2 (two) ways to update or flash Advan S4Z, depend on your Advan S4Z firmware. First, using QGDP Flashing Tool if your firmware has extension CPB and ResearchDownload if your firmware is PAC. Both are recommend tools for flashing purposes.

Advan S4Z Firmware Flashing

This phone has Spreadtrum (SPD) CPU so, for Windows 64bits user must disable driver signature that you can download spd driver and disable signature from here.

1. If you are want to flash or update using ResearchDownload, you can read the instructions from here and QGDP flashing tool here.
2. Done

ADVAN_S4Z_6.0.551.P1.1704170935.RWTX_ADVAN_TCS4058A_OE.CPB
ADVN_S4Z_6.0.551.P1.1704170935.TCS4058A.RWTX_ADVAN_TCS4058A_OE.PAC

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