If your YI Smart Dash Cam is having issues like, date resets every time you power it on, and warranty has expired, the best solution is to replace the battery with a third-party 3.7V 250mAh battery which you can find on AliExpress. Take note that shipments from sellers may have restrictions with some other countries, so try different stores, and make sure you read reviews to avoid inconvenience.
Please keep in mind that you should be knowledgeable with electronics or have someone replace it for you, if not. This is the best solution we can provide for an out-of-warranty product and this is not our official release, rather, it is a solution that will give your YI Smart Dash Cam a second life. We hope this helps.
How to Replace Battery (unofficial video): https://www.youtube.com/watch?v=9Nv5vZTAl6A
Unofficial Store: https://www.aliexpress.com/item/4000261651850.html?spm=a2g0o.search0302.0.0.545829a9uGAii2&algo_pvid=996648d1-8ae6-4de8-9cae-a0338c3e28c5&algo_expid=996648d1-8ae6-4de8-9cae-a0338c3e28c5-0&btsid=0b0a555e16115397194271500eeedd&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_
Disclaimer: These are unofficial stores and tutorial videos. Be advised that you are doing this at your own risk. YI Technology will not be liable in any damage that may occur. Thank you.