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How to Install Xposed on Xiaomi Mi Max

Download file:
- Xposed installer 3.0 alpha4_3 apk (Manage install Module)
- Xposed sdk23 arm64 v86 and above zip file (Xposed Framework))
- Xposed uninstaller zip file

Steps:

1. Download all above mentioned files into your micro sdcard
2. Install Xposed Installer 3.0 alpha4_3 apk.
3. Reboot into TWRP recovery
4. Flash the xposed-v86-sdk23-arm64-MIUI-edition-by-SolarWarez-20160710.zip file
5. After flashing, Reboot

If you can’t use the xposed modules boot to twrp and flash the uninstaller zip. Reinstall  latest xposed version again.

P/S: http://forum.xda-developers.com/xposed/unofficial-xposed-miui-t3367634 (Download Files)

IMEI Restore for Xiaomi Mi Max

STEP 1:

Mi Max must be rooted, download a Mi Max Global/China custom/stock rom.

https://drive.google.com/file/d/0B3bizPCWTBjcaHZfYWJ4MVBXWk0/view?usp=sharing

Download the above rar file which contains Qualcomm QPST Tool, the IMEI Converter, and adb files. Then installed Qualcomm QPST Tool.

STEP 2:

Once installed, connect your phone to the computer and open the adb folder.
Make sure your phone has "USB Debugging" enabled.

Hold "Shift" and right click on the blank area of the folder and select "Open command window here"

@ command prompt , type "adb shell" and press enter. Type "su" and your phone should have root privelages. Finally, type "setprop sys.usb.config diag,adb"

Your phone should now be in diagnostic mode.

Open QPST Configuration located at "C:\Program Files (x86)\Qualcomm\QPST\bin" or wherever you installed it. Your phone should show up under "Active phones"

Click the "Start Clients" tab, then "Software Download"

Go to the “backup” tab and create a backup of your QCN file, save it somewhere safe.
It’s extremely important that you create this backup in case you mess up something later on.
You will be able to restore the QCN file as easily as you backed it up.

If you need to restore the QCN file, go to the “restore” tab and select the QCN file you backed up.

After you have backed up the QCN file, navigate to where you installed QPST and find the program “RF_NV_Manager” for me, it is located in “C:\Program Files (64)\Qualcomm\QPST\bin”

Open RF_MV_Manager and connect the phone.

In RF_MV_Manager, click "File" then click "Read supported RF NV items"

Look for number 550. It should say "NV_UE_IMEI_I"

There will be 9 black fields, this is where you enter your IMEI number.
Click the "hex" button.

Open the IMEI converter program located in the folder you downlaoded

Use the IMEI convertor to convert your IMEI number to HEX. Make sure you enter your IMEI number correctly.

Once the IMEI number is converted, start filling in the blank fields on number 550 in the RV NV Manager.

There should be two characters per field.

For example, field 1 will be something like 08, field 2 will be something like 9A.
ONLY PUT TWO CHARACTERS PER FIELD.

After all the boxes are filled in correctly, click the "Write NV" button.

The changes should then be written to the phone. Reboot the phone and then dial *#06# to check the changes. your IMEI number should be back and you should then be able to log into your MI Account and use other features that require your IMEI number.

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MTK Backup & Restore IMEI / NVRAM Data

A custom ROM can be applied through manual step by step procedure and thus it’s always advised to take full backup of your device’s data to avoid data loss in case of something goes wrong and all of your phone’s data are gone.

You can restore your phone by flashing the stock Android ROM and have your data back from the backup file. But sometimes you are still unable to use any network or connect to WiFi. Ever wondered why ? This is because the custom ROM installation failure causes you erasing the IMEI/NVRAM data of your device and to restore them you need to back them.

What is an IMEI ?

IMEI stands for International Mobile Station Equipment Identity and it is consist of 15 decimal digit (14 digits plus a clock digit). It’s an unique identification number for GSM, UMTS, LTE devices and as well as some satellite phones.

An IMEI number helps to identify valid devices and therefore the number can be used to “blacklist” a stolen device from using that network and sometimes other networks too.

How to find my device’s IMEI number ?

There are several ways to find a device’s IMEI number –
The universal way to find a device’s IMEI number is by dialing *#06# from the device and a pop up will appear with it’s IMEI number.
Android users can check their IMEI number by going to “Settings” > “About Phone” > “Status” and will see a number under “IMEI” option .
Every phone on this planet comes with a IMEI number printed at the back, under battery.

What is NVRAM ?

Non-Volatile Random Access Memory, a type of memory that retains it’s contests after switching off a device. It consist of SRAM and EEPROM chips. NVRAM contains data like WiFi and Bluetooth MAC address, Baseband version, IMEI/MEID number and other essential information.

So losing or corrupt NVRAM data means you will not be able to use your device with any mobile network or connect to WiFi.

How to take backup of IMEI/NvRAM data?

1.Download MTKdroid Tools.
2.Unzip the file on your PC and run MTKdroidTools.exe.
3.Enable USB Debugging in your Android phone by going to “Settings> About Phone” and locate “Build Number“. Then tap on build number seven time and now you have “Developer Options” enabled in your device. Go back to “Settings” page and tap on “Developer Options“. Now tap on “USB Debugging” check box to enable USB debugging in your device.
4.Connect your device to your PC via USB cable.
5.Click on the “Root” button at the bottom of the program window and grant root permission in your phone.
6.Now click on “IMEI/NVRAM” button. A pop-up window will be appeared.
7.Click on “Backup” button and the application will backup your IMEI/NVRAM data in the “BackupNVRAM” folder inside “MTKdroidTools” folder.

How to restore my IMEI/NVRAM data ?
1.Run MTKdroidTools.exe from PC.
2.Enable USB Debugging in your phone and connect it to your PC via USB cable.
3.Click o the “Root” button at the bottom of the program window and grant root permission in your phone.
4.Then click on “Restore” button. It will ask for a .bin file and a .tar file. Select the correct file from “BackupNVRAM” folder. If everything goes well you have successfully restored your phone’s IMEI/NVRAM data.

Extreme method :

1. After performing all the above if you haven’t still got IMEI. Now switch off your phone and open SP Tools and connect your phone. Now click on format and format your whole phone. ( This wipes whole of the phone including NVram region ).
2. Now flash stock ROM through SP Tools and after it completes start up your phone. ( Don’t be surprised. Your IMEI will still be in lost state only ). Now root your phone.
3. After successful rooting now connect your phone to MTK Droid tools and again press ROOT button and grant root access to MTK Droid tools. Now click on IMEI/NVram tab.

4. Now as you see in the image above you can see two boxes IMEI1 and IMEI 2. Now enter your device IMEI numbers manually in those two boxes.( You can get your IMEI no’s from your phone box ). Now click replace IMEI. Now reboot your phone and you should be definitely able to get your IMEI restored.

小米笔记本 Air / Mi Notebook Air