The width and height of the outer slot in the housing are significantly larger than the socket. The Micro-SIM slips right past the plug and gets lost in the housing. Put the case on after 4 tries and cut my hand to recover a lost SIM card and found the problem. Plug your SIM card into a power outlet and you're good to go. Unfortunately, since their technicians ignored me for two months, I have already ordered the MOFI 4500 at 9 times the price, and this device is better. So now I have a replacement?
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