Hello, Today, after 3 slow flights, my phantom started drifting sides (GPS mode), sometimes forward, other left....and so. I landed it for check and the LED was ORANGE-ORANGE (means ATTI mode - non centered Throtle ok). That could be normal but EEK Right mode stick was IN GPS mode all time. Summary: After testing in Naza Assistant, it appears GPS NEEDED. GPS option doesn't appears in Menu Selection. No more green LED lights in any stick mode. I went to field ant tested. Just ATTI mode, it flies perfect ATTI mode (Zero GPS mode). I opened shell and checked: a) GPS module: Perfect, no broken, no scratches, nothing. b) GPS wires that goes to NAZA: Perfect, tested with "extreme to extreme signal" tester. c) GPS wires that goes to Compass: Perfect, tested with "extreme to extreme signal" d) Compass module: Intact and wires fits OK. No crashes, GPS stops working while flying ! What is wrong here ? It can be damage the GPS module or the Compass Module ?. Check these images in Naza Assistant. Any help appreciated.