Samsung S4 mobile phones cannot be recognized by computers in the flash mode

Start the odin flash machine tool and connect the Samsung Galaxy S4 mobile phone that is not in the flash machine mode to the computer. Then, the odin flash machine tool recognizes the COM interface, unplug the USB cable immediately. Then restart your phone and press the volume key, Home key, and power key at the same time. After entering the first page, press the volume button and the phone will enter the flash mode, connect your phone to your computer using a USB cable.

Samsung galaxy s4 flash brush machine steps:

At the same time, press and hold the volume reduction key + HOME key + power key.

After the mobile phone enters the brush mode, a series of English letters will be displayed, which means that a third-party operating system may cause serious errors on the mobile phone and installed programs. If you want to continue, press volume up. Otherwise, press volume down to cancel.

Press volume + to enter the flash mode. Connect your mobile phone to your computer and turn on the flash brush tool Odin3 v1.85.zip.
 

The first type of rompackage contains only one pda.tarfile and runs odin3_v1.85.exe. click pdato select the pda_i9220xxxxx.tar file, except the default Auto Reboot and F. the Reset Time is not checked in other places. Press "Start" to Start the flash. After the green "PASS" is displayed on the Flash platform, the mobile phone restarts automatically after the flash is completed.
 
The second official ROM contains PIT, PDA, PHONE, CSC, and APBOOT files, and runs odin3_v1.85.exe,
 
PIT select xxxxx_emmc_EXT4.pit
 
Bootloaderselect apboot_i9220xxxxx.tar
 
Pdaselect code_i9220xxxxx.tar
 
Phoneselect modem_i9220xxxxx.tar
 
Cscselect gt-i9220-csc-xxxxx.tar
 
Press "Start" to Start the flash brush. After the green "PASS" is displayed on the flash brush platform, the mobile phone restarts automatically after the flash is completed.

After the phone restarts, it will enter the loading interface, and the loading progress bar will still appear at the bottom. The loading process takes up to 2 minutes.

After the flash is finished, the system restarts again.