Zte v9 Firmware upgrade
i.Sales_MultiDL_MSM7227_V1.00.01(PC flashing tools)
ii. V9_GENERICV1.0.0B03(official firmware part1)
iii.V9 GENERICV1.0.0B03 PART2
iv.visionaryplus.apk (for rooting/temporary root)
v:ZTE usb driver
Caution: This can only be done in the boot case！！！ take your own risk will not responsibility if your tablet break. and i was success...with this devices
1.install Sales MultiDL MSM7227 V1.00.01 at your PC
2.download V9 GENERICV1.0.0B03 PART1 and PART2 official firmware v2.2
3.download visionaryplus.apk and install to ZTE V9 for temporary root , you will need
root for firmware upgrade , if not Sales MultiDL software will need you get license from ZTE
this way to skip for getting license.
4.Run Sales_MultiDL_MSM7227 v1.00.01 select V9 GENERICV1.0.0B03 like picture below.
5.After install visionaryplus.apk run the apps after will reboot devices, remove and rinstall the battery press and hold power button and volume down button wait until your devices show FTM mode,plug the devices to pc. then you will see picture as below....
6.make sure (com port )show at your computer management was same with (V9 Flasher) com port, when success it will show (ready), click on (Start ALL) wait until show finish at beside ready bar.
7.After done remove out the battery and reinstall back battery restart the tablet congratulation you was success upgrade you tablet from android 2.1 to android 2.2.