Accidental signal loss after WP 8.1 upgrade on Lumia 920
After update, I realize, Lumia several times a day losses signal. I can't call and nobody can call me. It takes couple of minutes till hour to get accessible again (Always helps restart before every call, but this is certainly not a solution!). Tried to change frequencies like 2G, 3G, 4G.... but nothing helped so far. Can you advise? Now, its totally useless phone, as I never know when I will or won't be accessible....
After update, I realize, Lumia several times a day losses signal. I can't call and nobody can call me. It takes couple of minutes till hour to get accessible again (Always helps restart before every call, but this is certainly not a solution!). Tried to change frequencies like 2G, 3G, 4G.... but nothing helped so far. Can you advise? Now, its totally useless phone, as I never know when I will or won't be accessible....
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