Sim cards unreadable by both phones.
Both of my Blu phones, the Vivo Air ,are not reading the sim cards, any idea as to why.
??
Es esta una buena pregunta?
Both of my Blu phones, the Vivo Air ,are not reading the sim cards, any idea as to why.
??
Es esta una buena pregunta?
They worked fine for 12 months, I used Tesco in England, then changed back to T Mobile here, that's when neither went back to working.
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there are two types of networks, CDMA and GSM. CDMA SIM cards are not compatible with GSM phones, and vice-versa. Also, if you have not unlocked your phone from it's carrier and are trying to use a SIM card from another carrier, it will not work. You may also have a damaged SIM card.
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