Redmi 2 Lite Manual Del Usuario página 8

Pairing
When an identical pairing code is displayed on both the phone and the watch, tap
Pair to complete the pairing.
Notes:
During pairing, make sure the Bluetooth is enabled on your phone and the watch is
well connected with your phone.
If the pairing code appears on the watch but not on the phone, please check whether
there is a pairing request in the notifications of the phone.
If the watch cannot be found while adding it to the app, or cannot connect with your
phone during use, please press and hold the function button of the watch for 3 seconds
and choose the reset option to restore factory settings, then try again.
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