The v891 v1 finally removed the Windows partition and restored capacity.

Many articles (last listed) are referenced, but they always fail.

On the way because the partition table, unexpectedly fastboot all into not go, then really want to cry without tears.

Summarize key points:

1) Partition.tbl cannot take the remaining space of the hard disk to the data partition. Always wanted to change to the following ideal situation, the result of writing partition table failed

6455336 54165464 80868086-8086-8086-8086-00000000000800 /dev/ Block/mmcblk0

Make it a little bit, and change it to the bottom to succeed.

6455336 54065464 80868086-8086-8086-8086-00000000000800 /dev/ Block/mmcblk0

2) The handling of the situation that the fastboot cannot go into.

Use the following article in the Android corresponding partition data file partition (7+19), with Diskgenius back

Onda v891w Original single system WIN8 Brush dual System Tutorial

Other reference articles:

Dual system v820w simple partition modification and partition failure partitioning method

The v891 v1 finally removed the Windows partition and restored capacity.