My photon is affected by same issue. Sim mode have done together with colleague of mine.
Ground is connected properly.
My observation is: this issue occurs only with my main sim card from simqadrat - product of sipgate.de, MVNO based on eplus network. This happens mainly in areas with poor network coverage. Such area in my case - workplace. At home i had never such behavior.
BTW, i contacted cell provider already, and got sim card replacement. same issue. BUT: after i've put O2 sim card into the phone, issue disappeared.
Furthermore: i have also jolla handset. Jolla had also strange behavior with sim card from simqadrat. Handset los network, and had immediate reset. My Galaxy Note N7000 work perfectly with than sim card, and have no issues.
: you have congstar, it's MVNO too, based on T-Mobile network.
I'm not GSM expert, but i assume that MVNO is root cause of our both cases. Just try to use any sim-card from e.g O2 or T-Mobile directly.
I'm really disappointed. Photon q was big hope to get long awaited qwerty slider.
Originally Posted by gurila
@kabaldan and @niko99 thanks for the help.
@comstyle is the guy i bought the xt897 from, and he opened it for me yesterday and we took a look inside... the grounding was already there. so it seems not to be the problem... he did put in new wires and clearned them up,... unfortunatly it has since it has gone from bad to worse
so FYI, the grounding seems not to be the problem with this bug.
I have ordered a new sim from the provider, let's see if that helps.
I DOES seem that the problem occurs when the battery is lower (no problems above 80%, somewhat at 60%, constant uder 40%)
nico, i will try the WCDMA trick... thanks... update once I have it...