Firmware details
Archive name: ZTE_U818_4.2.2_20160928A
Image: ZTE_U818_SJJL_ROM_20160928A
Archive file size: 314 MB
Firmware version: Android Jelly Bean 4.2.2
Firmware version: Android Jelly Bean 4.2.2
Platform: Mediatek MT6572
Build number: P172T21-user 4.2.2 JDQ39 eng.root.20131009.190337 release-keysCaution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.
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The original concept of the PBX was a program-controlled telephone switchboard. As for the switching principle, the communication point was effectively connected. The PBX is an important part of the enterprise communication system. Its main functions are extension traffic processing, relay traffic processing, traffic control management, voice prompt processing, network technology-based traffic processing, fiber optic digital relay processing Integration of functions such as wireless mobile terminals and internal information transfer.we can do it , l want to help others ,we can do it ,we can do much things we can use the outdoor intercom voip and we also can use the sip station oudoor , this is good for us to do much things , thank you!
BalasHapus