If you delete/reset your wallet , data stored locally on your device like private keys and password will be removed. To restore access to your wallet requires the recovery phrase.
Please make sure you do have backup of recovery phrase before reset wallet.
How to reset a wallet:
- Open f(x) Wallet and then tap on Settings
- In the Settings screen, you will find Security. Tap on it and select the Reset Wallet.
- To process the reset, you need type the caution words to complete it.