Upgrade & User Guide

Get the latest ZTEOS updates and obtain user guide for your devices.

A1 Alpha 20+(A1)


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  • A1 Alpha 20+ Upgrade Guide (Through an SD Card)

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  • A1 Alpha 20+ Upgrade Guide (Through an SD Card)

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  • A1 Alpha 20+ SD card software package

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  • A1 Alpha SD card software package

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  • A1 Alpha 20+ SD card software package(B16)

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