I tried the FAQ battery switch method, but the battery is not holding any charge. Dies as soon as power is removed. Charged for over 24 hours ans still nothing. Has anyone swapped a battery out on the 740b?
DO NOT ATTEMPT THIS. Send a support request to support [at] adventurepilot.com. IF YOU OPEN UP A UNIT ALL WARRANTY IS VOID AND YOU COULD (AND PROBABLY WILL) SERIOUSLY AND IRREVERSIBLY DAMAGE YOUR DEVICE. Locking this thread.