Depending on severity of failure you may experience the following:
-Updates failing, then returning to "up to date"
-Maps failing, spotify issues, fuzzy lines PintoDrive issues
-Slow to Boot,
-Blank screen, requiring 2 button reboot
-Fail to drive
-Fail to charge, or very slow charging
The main memory in the MCU (center display) is upgraded from the standard 8gb to 16, 32 or 64gb (customers choice). Data is retrieved from your original chip and transferred to the replacement, tested and reassembled,