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Hey there. I just want to share my recent experience with flashing windows images on a V919 Air tablet.
The reason for the reinstallation was that after a system reset in windows 10, things went wrong with the touch screen. It registered touches at completely wrong places and orientation. I tried calibrating it using the buildin windows 10 utility and it did nothing.
The step I struggled with for several days was that none of the system images downloaded from the official site was able to boot on this tablet. Eventually I stumbled upon an old web page with a 32bit windows 8.1 image and it worked. The system was then upgraded to windows 10 and everything appeared fine.
If you encountered similar diffficulties in booting the images from Onda, see if the images are 64 bit. All the ones I initially downloaded are 64 bit, and they are not recognized by this tablet. Only 32 bit UEFI files can boot. Same if you want to use some windows PE images, 32bit ones are needed.
Based on the serial number, mine is probably a V5 version of V919 Air 64 GB DualOS.
V919 AIR V7 Brush tutorial _For_Android-V1.0 20150911.pdf
View File Onda Android system installation tutorial
Google Translated V919 AIR V7 Brush tutorial _For_Android-V1.0.pdf 20150911
from file : V919 AIR DualOS（64GB）_android4.4_V7_20150824.pdf
Submitter RobV Submitted 09/11/2015 Category V919 Air dual system
Hello to everyone If your tablet is Freezing or Blocked Up:
is not your Fault,
is not your Tablet hardware,
Is not your wifi device,
is not your Router...
Is the GooglePlay services, is the new update from google, is causing this bug for us...
Please call to google play services, they have a number to report him issues, use it... more pleople call = quick solution.
This is another post...
Lets try to push this GoogleGuys to give us one solution...
Hi in short
Tablet onda v919 Ver.9 (was dualboot now only android) looking what kind of tool i can use to delete windows partitions and merge them with android partitions. or how to rewrite partitions.tlb as now i have (look at end of message)
tryed lots of them, windows cd, hirens, sergel and some other cant boot up. and i do not know where is windows where android partitions
add -b 40 -s 131072 -t efi -u C12A7328-F81F-11D2-BA4B-00A0C93EC93B -l ESP -T 0 -P 0 /dev/block/mmcblk0
add -b 131112 -s 131072 -t data -u 80868086-8086-8086-8086-FFFFFFFFFFF0 -l reserved -T 0 -P 0 /dev/block/mmcblk0
add -b 262184 -s 32768 -t data -u 80868086-8086-8086-8086-000000000100 -l boot -T 3 -P 15 /dev/block/mmcblk0
add -b 294952 -s 32768 -t data -u 80868086-8086-8086-8086-000000000101 -l recovery -T 3 -P 14 /dev/block/mmcblk0
add -b 327720 -s 32768 -t data -u 80868086-8086-8086-8086-000000000102 -l fastboot -T 3 -P 13 /dev/block/mmcblk0
add -b 360488 -s 32768 -t data -u 80868086-8086-8086-8086-FFFFFFFFFFF1 -l reserved_1 -T 3 -P 0 /dev/block/mmcblk0
add -b 393256 -s 131072 -t data -u 80868086-8086-8086-8086-000000000104 -l test -T 3 -P 12 /dev/block/mmcblk0
add -b 524328 -s 65536 -t data -u 80868086-8086-8086-8086-000000000001 -l panic -T 0 -P 0 /dev/block/mmcblk0
add -b 589864 -s 262144 -t data -u 80868086-8086-8086-8086-000000000002 -l factory -T 0 -P 0 /dev/block/mmcblk0
add -b 852008 -s 262144 -t data -u 80868086-8086-8086-8086-000000000003 -l misc -T 0 -P 0 /dev/block/mmcblk0
add -b 1114152 -s 262144 -t data -u 80868086-8086-8086-8086-000000000004 -l config -T 0 -P 0 /dev/block/mmcblk0
add -b 1376296 -s 2097152 -t data -u 80868086-8086-8086-8086-000000000005 -l cache -T 0 -P 0 /dev/block/mmcblk0
add -b 3473448 -s 524288 -t data -u 80868086-8086-8086-8086-000000000006 -l logs -T 0 -P 0 /dev/block/mmcblk0
add -b 3997736 -s 3145728 -t data -u 80868086-8086-8086-8086-000000000007 -l system -T 0 -P 0 /dev/block/mmcblk0
add -b 7143464 -s 13631488 -t data -u 80868086-8086-8086-8086-000000000008 -l data -T 0 -P 0 /dev/block/mmcblk0