What you want to ask is how to operate ICBC SMS to raise the amount to 50000? The steps are as follows:

1. After receiving the short message from ICBC, reply "# card number # currency (RMB) # required limit # password device dynamic password" to 95588 to apply for fixed and temporary limit.

2. If you need to apply for a temporary credit line, please reply "LSTE# card number # currency (RMB) # required credit line # validity period # password dynamic password" to 95588.