Mafoni a "Grey" amakhala otchuka chifukwa, mosiyana ndi RosTest, nthawi zonse amakhala otchipa. Komabe, ngati mukufuna kugula, mwachitsanzo, imodzi mwa mafayilo otchuka kwambiri (iPhone 5S), muyenera kumvetsetsa njira zomwe zimagwira ntchito - CDMA kapena GSM.
Chimene muyenera kudziwa za GSM ndi CDMA
Choyamba, ndi bwino kulipira mawu ochepa chifukwa chake nkofunikira kudziwa mtundu womwe uli ndi iPhone yomwe mukufuna kukagula. GSM ndi CDMA ndi miyezo yolankhulirana, yomwe iliyonse ili ndi ndondomeko yosiyana yothandizira pafupipafupi.
Kuti mugwiritse ntchito iPhone CDMA, m'pofunika kuti maulendowa amathandizidwa ndi woyendetsa mafoni. CDMA ndiyezo wamakono kuposa GSM, womwe umagwiritsidwa ntchito kwambiri ku United States. Ku Russia, zinthu zili choncho kumapeto kwa 2017, wogwira ntchito yotsiriza ya CDMA m'dzikoli adatsiriza ntchito yake chifukwa chosavomerezeka ndi muyezo pakati pa ogwiritsa ntchito. Choncho, ngati mukufuna kugwiritsa ntchito foni yamakono mu gawo la Russian Federation, ndiye kuti muyenera kumvetsera chitsanzo cha GSM.
Timadziwa chitsanzo cha iPhone 5S
Tsopano, pamene ziwonekeratu kufunika kokhala ndi njira yoyenera ya foni yamakono, imangotsala kokha kuti mudziwe momwe mungawasiyanitsire.
Kumbuyo kwa mulandu wa iPhone iliyonse ndi pa bokosi, ndilololedwa kusonyeza nambala yachitsanzo. Uthenga uwu udzakuwuzani kuti foni imagwira ntchito kumagulu a GSM kapena CDMA.
- Payezo wa CDMA: A1533, A1453;
- Payezo wa GSM: A1457, A1533, A1530, A1528, A1518.
Musanagule foni yamakono, samverani kumbuyo kwa bokosi. Iyenera kukhala ndi sticker ndi zambiri zokhudza foni: nambala ya serie, IMEI, mtundu, kuchuluka kwa kukumbukira, komanso dzina lachitsanzo.
Kenaka, yang'anani kumbuyo kwa vuto la smartphone. Kumtunda, fufuzani chinthucho. "Chitsanzo", pafupi ndi zomwe zidzapatsidwa chidziwitso cha chidwi. Mwachibadwidwe, ngati chitsanzo chiri cha muyezo wa CDMA, ndibwino kukana kugula chipangizo choterocho.
Nkhaniyi ikuthandizani kuti mudziwe bwino momwe mungapangire chitsanzo cha iPhone 5S.
