Sanghyun's blog

Actually, I attached non-distortion lens and show how to detach lens rim for replacing lens of Yi 2 4K action cam.  Action cam with non-distortion lens 50mm  Using screw driver make some space between body and lens protection rim.  It needs more power to detach protection rim. It is very hard to make few scratches on lens rim.  Now, I replaced 155 degree stock lens.  Done

1. Flip over Toughpad upside down. 2. Detach battery pack 3. Remove two small '+' screws with Philips driver 4. Remove lid. 5. Tada~, you can find Full Size SIM card slot. (not micro USIM or nano USIM)  6. Get Sierra MC7700 driver from Panasonic website then reboot computer, then finally, I got WAN connection with carrier's logo