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crwdns2933797:0Thomas Widmaiercrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Thomas Widmaier
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crwdns2933807:0crwdne2933807:0
+ | [* black] When new SIM-socket arrives, optionally add solder to the pins first. I had a socket that did not solder well due to oxidization. Especially the eight small signal pins must have good connection. |
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+ | [* black] Place socket on the board and solder at one shield edge first to make a stable position. |
+ | [* black] Now solder the eight signal pins at PCB edge. Use steady hand or something to steady your hand. If you bridge some pins DO NOT PANIC, us solder wick to remove additional solder. |
+ | [* black] Before soldering all shield pads, check if system is working ! I had to re-solder the socket three times because of corroded pins. |
+ | [* black] One can test the device OPEN to see if 3G works. Beware that WiFi is bad because no antenna (Antenna is on back cover) |