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How to flash CM12.1 of EMAX MINI?
<1> Install Driver
1. Insert USB cable, in Dial-up interface input “
###2324#”to open COM Port, make sure you can see the COM Port in your computer
PS: To process below any step if you can not turn off phone, pls press volum up (+) and power button to turn it off.
2. If still didn’t show COM Port, pls continue input “
*#*#564548#*#*” in your phone to open USB Debugging, then the computer will show the COM Port, like below
3. Download the Driver first:
TCL_Q39_New_Qualcomm_Driver_8936_20150414.rar
Press volume buttons (both“+”and“-”) after the mobile phone being turn off.
Insert the data cable and release the buttons after the following
red interface pops up
Hold volume button (+) again until the mobile phone’s screen turn black
Release the volume button again; the phone is already in downloading mode. Port 9008 will appear in the computer. (as the following picture)
If failed to get 9008 COM Port, pls try to remove the USB cable and repeat this step again
4. When computer show out “Other equipment”, Right click “Android” and choose “Update driver software”
Then click “choose from the list of device driver”
Chick “Next”
Click “Install from disk”
Click “browse” to open the driver file (pls attention 64-bit or 32-bit)
Choose “qcmdm.inf” to install driver, then succeed
Attention:
If failed to install driver, pls restart computer then continue to print “F8”, once Advanced options comes out, pls choose “Disable driver enforcement”, then restart computer and try to install driver again
<2> Backup QCN File (while you flash the ROM and no signal, need this File to restore signal)
after you succeed to install driver, the correct COM Port should be
9091
Install QPST2.7.0437:
QPST.WIN.2.7 Installer-00437.zip
Then open QPST, choose QFIL, then click “Tools”, then choose “QCN Tools backup”
<3> Flash tool update
After succeed to install driver and backup QCN, pls use QFIL from QPST to update phone:
Q39_zhongxing_20150717.zip
Pls make sure the COM Port should be 9008
Open Menu->QPST->QFIL
Phone power off, remove USB cable, hold volume buttons (both“+”and“-”),
Insert the data cable and release the buttons after the
red interface pops up;
Hold volume button (+) again until the mobile phone’s screen turn black
Release the volume button again; the phone is already in downloading mode.
Port 9008 will appear in the QFIL, if can not be identify 9008, pls click “select port”
Start to flash phone:
1. Choose
Flad Build in Select build type
2. Click Browse, and choose
“prog_emmc_firehose_8936.mbn” , then click
search patch
3. Click
Load XML , and choose
“rawprogram0_unsparse.xml” , and continue to choose
“rawprogram0.xml”
4. Click “
Download” to start
Then you succeed to flash the ROM
<4> Restore QCN
After flash, need to use QFIL to restore QCN,
Open menu->tools->QCN backup restore
Click Browse and select the file you backup one, then restore
If you miss or fail to backup QCN, here is the QCN you can download:
00000000(1116).qcn
<5> Flash TWRP Recovery
Install
TWRP:
么么哒3S TWRP中文.exe
Phone power on, open USB Debugging, open “TWRP RECOERY.EXE”, computer will flash automatic, and images as below,
The
recovery of phone is TWRP, shutdown the phone now and then press volume up(+) and power button, after white interface pops up, pls change to press volume up(+), it will log in TWRP recovery interface after almost 5’s, then TWRP recovery succeed as below images
<6> SD Card flash(once you finish this Card flash, the ROOT Limits will bring to your phone, then you can feel free to flash other ROM in ROOTJOY)
After flash TWRP Recovery succeed, download CM12.1:
emax_mini_cm12.1_gapps_20150916.zip
Save in TF Card, shutdown the phone, press volume up(+) and power button, after white interface pops up, pls change to press volume up(+), it will log in TWRP recovery interface after almost 5’s,
Install CM12.1 ROM, choose the ROM from SD Card, after succeed, return to home page and restart phone