You can hand in your mobile phone. According to Article 9 of the Measures for the Administration of Special Maintenance Funds for Residential Buildings in Jinan City, the owners of commercial residential buildings and non-residential buildings must deposit the first maintenance funds into the special account for maintenance funds of commercial residential buildings and personal mobile banking before going through the formalities of housing occupancy. Log in to the "Enjoy Life" section of personal mobile banking-select "Housing Maintenance Fund" in "More", and enter the application number of "Jinan Housing Maintenance Fund Special Deposit Notice" under the item "Jinan Housing Maintenance Fund Collection" (18 digits). You can complete the deposit of the house maintenance fund according to the prompt. Within one month after the online deposit is successful, you can handle it with "Jinan". Please refer to the outlets listed in the Notice of Deposit of Special Maintenance Funds for Residential Buildings in Jinan for details.