Download Android Lollipop 5.1 stock firmware for Leagoo Elite 1 smartphone from here, here or from here. Download another Leagoo firmware from here.
Firmware: Android Lollipop 5.1 stock
Model： Leagoo Elite 1 smartphone
Image file size: 794 MB
Platform: Mediatek MT6753
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.