Your questions about SoFi Hong Kong are answered here

Step 1: Go to the search page. 

Step 2: Select the IPO you want to apply for. 

Step 3: Review the IPO details and prospectus then click [Apply]. 

Step 4: Select how to apply : HKD Cash Balance or Buying Power. 

Step 5: Decide to enable IPO financing service or apply with cash.

Step 6: Select the quantity you would like to apply and agree to the eIPO Terms of Use, then click [Confirm] . 

Step 7: Review details, then click [Submit]. 

Step 8: Application done!