Jammu & Kashmir Bank / J&k Bank — mpay not working

Address: 193201

Sir/madam
my a/c no is [protected] name sameere bashir. My regd mob. With thid a/c was [protected] and i have taken new jio sim [protected] and regd this new no with my a/c through bank to operate j&kbank mpay but unfortunately im unable to function mpay i installed many times and opens but intead of registration it shows directly login but till now i have not register this a/c with my mob.in this regard i contacted jkbank help line no. They told me to contact ur branch but when used to contact my branch the told that every thing is right by side, and their is no some another option in customers id for mpay. What to do now plz plz plz solve my problem that will be your most kindness.