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Message d'origine par : jeff wilfong ,

Titre:

What part in a phone picks up 3 and 4 g service

Texte:

I've always had 4g, had to replace my screen now phone only picks up 3g, provider tells me its a device problem but happened outta no where to a diff phone, same model though maybe a month ago. Just so happens I'm eligible for upgrade. Any thoughts?

Appareil:

Phone

Statut:

open