Tutorial Flash / reinstall Samsung Galaxy Ace Plus S7500 for download errors, application errors, the touchscreen is not sensitive, exposed to the virus internal memory, loading a boot loop, until the hardbrick could be detected in a firmware update for the computer drivers. possible you can also do a RESET  by pressing three key combination. when the position device off press and hold the "Vol Up + Home + Power" until the picture android robot. then do wipe data users but sometimes this is not enough to help the HH is needed Flashing Update
This Complate Tutorial : How to Flashing Samsung Via Odin3
- Tool :
 
- Tutorial Flashing :
 
- Install Usb Driver Samsung or Samsung Kies on your computer
 - Extract the firmware Galaxy Ace Plus S7500 with win rar to find .md5 file
 - Turn off your galaxy. press and hold the Volume down + Home + Power for download mode and press volume up
 - connect to a computer with a cable usb
 - Open odin exe v3
 - see odin whether in the column ID: COM colored blue
 - If the ID: COM has blue means it's ready to stage flash process
 - Click the PDA in Odin and navigate the firmware file in exktak and select the file name so S7500XXXXXXX.md5
 - Wait a minute until Odin success prepare files
 - Click START in Odin Wait until the process is complete (PASS) Restart Finish
 
This Complate Tutorial : How to Flashing Samsung Via Odin3