u/Visible-Box3423

i recently acquired a phone from the marketplace everything is working fine except for my Smart Sim the phone has “No Sim Restriction” but it says “Phone Not Allowed” when i put my smart sim any other sim works the sim is working fine tried it in other devices i also tried to use another smart sim on my phone same issue still i tried resetting my phone multiple times tried to even restore the phone i tried the reset network settings the airplane mode technique everything doesnt work i checked my imei on various blacklist checkers it all showed not blacklisted. Any information would really help me because im using this smart sim for 5years now