This method shows the manufacturing week , not the first power-on date. A phone made in Week 08 might be activated in Week 20. Use this only as a rough backup method.
This is the most valuable method for buyers purchasing a used phone, as it does not require the phone to be unlocked or access to the owner's user account. It uses the unique IMEI (International Mobile Equipment Identity) number. how to check activation date of xiaomi phone top
If hardware checks do not yield a direct date, software footprints and paper trails offer definitive proof of when a device began its lifecycle. This method shows the manufacturing week , not
: Go to Settings > About phone > Detailed info and specs > Status . This method shows the manufacturing week