I have my issued phone and a very cheap phone for my own personal use. It says it can handle up to an 8 gb micro sd chip. I have a 64 gb in it, almost full of stuff and it works fine, sometimes a bit slow, but has never frozen up. You may be able to go much higher.
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.