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ESN/MEID

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Unlock a CDMA phone? How to switch CDMA carriers and keep the phone

Unlock a CDMA phone? How to switch CDMA carriers and keep the phone

If you have read the differences between CDMA and GSM unlocking procedures, we can further consider the options a subscriber has when owning a CDMA phone. Usually in US, carriers don’t accept any particular phones onto their network. They use network-based white lists of ESN/MEIDs to verify their subscribers, so they know if a phone that isn't on their network is trying to be activated. CDMA carriers check for clean/bad ESNs, and have the possibility to see if a phone has a foreign ESN. Most CDMA cellphones are unlocked and the SPC (Service Provider Code) is 000000. The unlock code has usually ...

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