Hi dev i found this link maybe it will help u to update iflt wallet :

 https://yobit.net/en/maintenance_request/



For Devs: Coin Maintenance Request with high/low priorit

To update a coin (SourceCode Update/Hardfork/Swap) with High Priority you can fill out the form below.
Payment method: YobiCode
Maintenance type:
• Free (8-14 business days) - 0 btc   
• Premium (5-7 business days) - 0.2 btc
• Exclusive (2-4 business days) - 0.5 btc

and good luck