Good news New Stock Firmware For Ipush2 Released, it improved the compatibility with IOS7.
Firmware download link: Ipush 2 New Stock Firmware
1. Decompress the file and copy the UPG file to your phone
2. turn on the ipush and connect the phone with it via wifi.
3. load to the control menu via web(according to the manual in the box)
4. click update, then follow it choosing the UPG file in your phone, it will update automatically.