Sonoff Mini R2 Smart WiFi Switch Instruction Manual - Manuals+
Pairing failed? Read this before you try again – eWeLink Help Center
Sonoff RF R3 WiFi Wireless Smart Switch with RF Receiver for Smart Home, Works with Alexa & Google Home Assistant, Compatible with IFTTT, No Hub Required, Support DIY Module. - - Amazon.com
SONOFF Basic/RF USER GUIDE – eWelink
Can't pair or connect to Sonoff device via eWeLink app? – Home Tech Time
How to Pair SONOFF Smart Products With EWeLink APP? - Instructables
Sonoff D1 Dimmer Anyone? - Hardware - Home Assistant Community
How to Pair SONOFF Smart Products With EWeLink APP? - Instructables
No Tasmota and eWeLink cloud to control the SONOFF device? YES! - SONOFF Official
Can't pair or connect to Sonoff device via eWeLink app? – Home Tech Time