I can't access my bank as OTP is sent to my number and I can't receive OTP again. What can I do?

I live in Russia. I inserted my sim card but it's showing emergency calls only and no sim. The number is +2347039693293 My WhatsApp app has been hacked. I tried logging...

I can't receive the otp because my sim is locked and is requesting puk number

MTN welcome back

I've been 1 month abroad and I can't receive sms since that day. Previously I was receiving sms's. The only sms I can receive is the welcoming sms by MTN, every 2 weeks. I want...