Very Poor Signal Strength

[AnotherElk]

Resolving bad signal / call partners don’t hear me or only interruptedly

How about checking the antenna connections? … Also explained here with reference to iFixit pictures …

Bad radio performance caused by oxidation and scratchmarks on display module backside contact pads

Over the past months I noticed that the radio performance of my FP2 got worse and worse. I often got “no service” or “emergency calls only” despite the phone showing full signal for a few minutes when switching flightmode on and off again. I read posts reporting similar problems in this forum and quite often the antenna connector was mentioned. When I opened my FP2 I discovered another source for radio problems: For shielding and grounding purposes the back side of the display module is connec…