[Infinity CM2] How To Repair Unibox|If your Unibox Become Unusable:
1. try to reinstall FTDI drivers (see instruction below)
2. try to reprogram FTDI eeprom (see instruction below)
3. check box hardware: open box and repair box hardware if need (see instruction below)
4. if box hardware can not be repaired: you can use another cable (any other cable) as a COM port and you can use any other smart-card reader for Infinity-Box smart-card
![[Infinity CM2] How To Repair Unibox](https://alltopnotch.co.uk/wp-content/uploads/imported/8/FTDI-USB-to-TTL-Serial-Converter-Adapter-FT232RL-Module-5V-and-33V-Arduino-ARM-231918152528-3.JPG "[Infinity CM2] How To Repair Unibox")
How to detect that box hardware is damaged:
- open box and look at box PCB (if your box is under warranty you must discuss about this procedure with your reseller first)
- if you can see that some parts is burning you must replace it with new one
- in most cases FTDI chip may be damaged (as a result of Rx/Tx wires connection to wrong phone points/contacts)
Where to get latest FTDI drivers:
1. Download latest FTDI VCP drivers is here
How To Re-install FTDI Drivers In Case Of Any Problems or Conflicts With Another Boxes
1. disconnect box from PC
2. uninstall FTDI drivers: C:\Windows\system32\ftdiunin.exe
3. reboot PC
4. connect box to PC and install FTDI drivers from Infintiy-Box package
How to re-program box FTDI eeprom:
1. Download MProg" software
2. download and install latest D2XX drivers
3. program FTDI with FT232R_Infinity.ept
4. install FTDI VCP drivers
How to reset box FTDI eeprom to default values
1. download "MProg" software:
2. download and install latest D2XX drivers
3. erase FTDI eeprom content