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It's hard to say whether these antenna connectors were broken when shipped, or due to disassembly on your part. Have you've heard the antenna rattle inside the phone when you first received it? Would that be the reason why you took apart your device to check? The antenna springs are indeed fragile. Not like other devices we see in the market, they normally have antenna pins pointing upwards, not sideways that contacts the frame. This can be especially seen in devices that have metal enclosures. The antenna springs on the Pro1-X are surface mounted via SMT, and the glue is to fix it in

So, it appears that I was able to repair my Pro1-X's radios. Previously, telephony and mobile data wouldn't work for me, as documented earlier in this thread. WiFi, Bluetooth and GPS had always worked perfectly. It turned out that my Pro1X was missing most of its "antenna" connector springs. My main antenna (aka. USB) board was missing two of its three connectors, and the last one broke off while I was diagnosing the problem. See picture attached. It appears these things are really fragile. Also my "diversity" antenna board was missing one connector, which I found rattling in a