Thread: Need Garmin fleet 770 firmware

thanks a lot for your help ,i tried "volume down and power button , tried to update with sd card but still same message " E: FAILED TO MOUNT /CACHJE(INVALID ARGUMENT)
E: FAILED TO MOUNT /CACHE
E: FAILED TO SETUP EXPECTED MOUNTS FOR INSTALL:ABORTING
E: CANT MOUNT /CACHE/RECOVERY/LOG
ANYWAY AGAIN THANKS , MAY BE MY GPS BRICKED , JUST STUCK ON STARTING , FACTORY RESET OR PROVIDED FIRMWARE CANT WORK I DONT KNOW WEHAT TO DO I AM NOT VERY GOOD IN ELECTRONICS IF SOME ONE SHOW ME A WAY TO FIX MY GPS I WILL HIGHLY APPRICIATE
THANKS VERY MUCH
REGARDS

Edit:

HELLO i am keep trying to update but still same if anyone one have same gps and kindly make a copy may be my gps will fix ,or someone guide me how to fix ,lot of expert people here in this forum kindly help me
thanks
regards