Buy a number for Telegram from Malaysia, issue a number, send an SMS code, no spamblocks.

ENTRANCE VIA SMS CODE, ACCOUNT FOR MOBILE DEVICES

WRITE TO TECH SUPPORT, THERE THEY WILL GIVE YOU A NUMBER AND GIVE YOU A CODE TO ENTER
Registration for a real physical SIM card COUNTRY +60 MALAYSIA
Only you have access to your TG account
After registering the TG, the SIM card is disposed of

Accounts on a physical SIM card are more reliable than on virtual ones
However, sometimes there are problems, this is normal.
I have a rest