When downloading most wallets, the wallet is unique to the device it is downloaded on thus is not synced between diffrerent devices. To sync your Wallet across multiple devices typically involves using your 12-word recovery phrases or private key(s) of the wallet you wish to use, and use these to set up your wallet on your other device.
When syncing your Wallet, always refer to your Wallet Provider's Official Support Page for their instrcution on how to sync your wallet across multiple devices. For instance, if you use Exodus, you may refer to their official support page regarding syncing your Exodus Wallet here.
Always complete your due diligence and research into your chosen wallet provider and the process of the sync. Please ensure you are certain of which recovery phrases/private key(s) belong to which wallet to ensure your wallet is not overidden. As mentioned, always refer to your Official Wallet Provider's Instruction, and complete thorough due diligence and research.