Ask in your bank ‘ the same day you apply for visa ‘ extension for bank to update you book today’s date , and ask for a certificate to show balance , they are used to being asked for this ..
David Broadfoot that was After her initial response ... and No you can’t ... you will need to send your passport etc to an agent In Thailand to do it ? .. I don’t think so . !
not me , I live in Thailand .. YOU suggested (the person who posted who is not in Thailand ) went to see an agent .. I asked “ from outside Thailand ? “ which I don’t think is possible .... I don’t have an issue I live here .