You can find various versions of the stock ROM (firmware) on community forums and dedicated firmware repositories:
Click Download , power off the phone (remove battery if possible), and connect it to your PC via USB while holding the Volume Down key.
Download and install official firmware for the Huawei G610-U20 (Ascend G610)
Place the update.app file from the downloaded firmware inside this dload folder.
You can find various versions of the stock ROM (firmware) on community forums and dedicated firmware repositories:
Click Download , power off the phone (remove battery if possible), and connect it to your PC via USB while holding the Volume Down key.
Download and install official firmware for the Huawei G610-U20 (Ascend G610)
Place the update.app file from the downloaded firmware inside this dload folder.