We have inspected your 3DS XL unit. We have tested and retested the internal cartridge slot which is failing to make contact correctly with the game cartridges. This delicate repair requires the disassembly of the console in addition we will replace, realign, clean, and set a new the cartridge slot to avoid future errors. In addition our technician noted that the buttons require cleaning and dust was found on the motherboard and screen. The dust need to be thoroughly cleaned out or you run the risk of shorting a component on the board. The total cost for cartridge slot replacement, cleaning the unit, with free return shipping is $72.95. That includes a 90 day warranty on the parts and repair. As an alternative we can simply return back your unit to you and the inspection fee and return shipping is $26.95. Please make payment below to proceed.