Android version: 4.4.2
Build number: 17.1.1.A.0.402
Tablet Software Version: 1278-4514_17.1.1.A.0.402 WIFI User
File System Version: GLOBAL_WIFI16G_17.1.1.A.0.402
Customization Version: 1281-7810_R5A
Branding: Generic CA (unbranded)
Note: I've tested this on mine and it seems fine, would appreciate if anyone else can test it to reconfirm, thank you.
Note 2: DO NOT CROSS FLASH THIS WITH THE LTE XPERIA Z2 TABLET. This is made for the WIFI verison of Xperia Z2 Tablet ONLY.
Note: Sorry for so many different parts, stupid box does not allow me to upload large files.
Note 2: There are a total of 5 files, please download them all then unzip them with winrar.