THIS IS A VERY LONG DANGEROUS TIME, IF IT FAILS IT WILL BRICK YOU USB MODEM. THE FLASH UPDATE ON AVERAGE TAKES APPROXIMATELY 18-20 MINUTES TO COMPLETE, SOME COMPUTERS CAN TAKE UP TO 46 MINUTES. (Enough credit in your electricity meter etc). (you’ve been warned!).MAKE SURE YOU’VE GOT PC ATTACHED TO A UPS OR USE A LAPTOP CONNECTED TO MAINS. DO NOT USE A USB HUB FOR THE FLASH UPGRADE. Extract the contents of the above file to a directory e.g.
So you’ll need an extraction tool to handle this file and extract the contents. The file is a RAR archive (similar to a ZIP). This contains replacement firmware, and will replace the software on the USB modem.Ģ. This is the procedure I’ve now done many times.ġ. If you try it on another OS, you’ll brick it! (break it!)
Important: Re-flashing of the ZTE MF627 USB Modem MUST be done on Windows XP ONLY.
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