SIM IS 5G 4G 3G. TRIPLE SIZE SIM CARD. TO CHANGE SIZE SIMPLY PUSH ON REAR OF SIM. ALL IN ONE SIM. FOR 5G YOUR PHONE MUST BE 5G. IN ALL 3 NETWORK / OPEN UNLOCKED PHONES. DOES NOT WORK ON 2G NETWORK. (IF YOUR PHONE IS OPEN UNLOCK CHECK IT WILL WORK ON THREE NET).
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