Official ROM v3.22 (Android v5).

Very fast – smooth and stable Rom.

Update log:

1. [increase] screen wallpaper function provided separately.
2. [increase] custom lock screen unlock application function.
3. [increase] the desktop font color intelligent adjustment function.
4. [increase] immersive status bar display.
5. [increase] strange Caller identification, tagging.
6. [increase] a key switch function.
7. [increase] camera family.
8. [increase] nubia cloud albums.
9. [increase] cloud backup file.
10. [Optimization ] camera interface.
11. [optimization] one-handed mode, can automatically adjust the position of the small screen and the screen size according to the action plan firmware optimization including but not limited to the items listed above.

Preparation:

1. Backup personal data in the computer.All user's data will be lost.(SMS,contacts,call history,music,videos,photos and so on.)

2. Make sure that the mobile has at least 50% battery.(Not flash when less than 40%.)

3. Disable or uninstall antivirus – firewall software on your computer before flash.

4. Be sure to use the official original data cable to connect your phone to the computer.

5. Open the phone factories ports.Go to the dial pad and enter * # 7678 #  the "factory Port" and "ADB port"
    will appear select both.

6. Remove both SIM cards and SD card.

Install:

1. This Nubia Tool Updater V2.1.0 works only from stock v3.09 to v3.22.
    If you have any other rom version like v3.15,v3.16,v3.17,v3.18,v3.19,v3.20
    need to use this custom nubia tool to make v3.22 update.
    http://http://www.needrom.com/wp-content/uploads/2015/06/Nubia-Tool-Updater-V2.0.0.rar
    (To run properly custom tool need to install before Nubia Tool Updater V2.1.0)

2. Install mobile USB drivers.(Find Drivers on my Tool http://www.needrom.com/download/z7-max-all-in-one-tool-v1-1-0/ )

3. Download and install Nubia Tool Updater V2.1.0 to your computer.

4. Download Rom NX505J_CNCommon_V3.22.rar file on your computer and extract.
   (For extract this rar file use WinRAR Download: http://www.rarlab.com/download.htm )

5. Run the Nubia Tool Updater V2.1.0 as administrator and select the path from NX505J_CNCommon_V3.22.rar files.(see photo).

6.If you have done everything right you will see the following photo.

7.Click to the "Start" button. ( 开始 )

Notes:

After click to "Start" button do not touch mobile or computer until Nubia Tool finish.

Μore informations:

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Install Drivers & Recovery:

1)Download (My Tool http://www.needrom.com/download/z7-max-all-in-one-tool-v1-1-0/ ) UnRAR and run it on your PC.
2)Press one to Install The USB Drivers
3)Turn On USB Debugging Mode To Your Phone.(How to: https://www.youtube.com/watch?v=ze7y8rPzH9w )
4)Connect your mobile (mobile to be active) to the computer and select number.
5)DONE.

WARNING:This Tool Works Only For Android v5 Lollipop

Root:

1)Download SuperSU-v2.49.zip and put it to your internal storage.
2)Enter to TWRP recovery and install SuperSU-v2.49.zip.
3)DONE.

Install Google Apps:

1)Download Gapps For Android v5.zip and put it to your internal storage.
2)Enter to TWRP recovery and install Gapps For Android v5.zip.
3)DONE.

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