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Mediafax
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Astfel, cei care introduc codul „*3001#12345#*” vor intra într-un meniu ascuns, numit „Field test”, în care pot accesa diverse informații despre cartela SIM, dar și despre semnalul terminaluluib.
De asemenea, în locul barelor de semnal din stânga sus a ecranului, va apărea un număr negativ de două cifre, care indică calitatea semnalului.
Astfel, dacă numărul este între -44 și -77 înseamnă că semnalul este bun, iar dacă este mai mic de -77 înseamnă că semnalul este defectuos, scrie libertatea.ro.
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