How to troubleshoot the xp5900

All I did was remove the back door, the battery, and put a firstnet SIM in it and a memory card. Since then, all I get is a blinking green light on charge. If I remove everything and the battery and put it on charge, it bootloops.

Sonim Customer Service is trash if you buy second hand.

Also - it appears nearly impossible to sideload any software that isn't a sonim product, be wary if you are buying a sonim handset but want to use it outside of sonims' ecosystem.

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