Installation: 1) Insert SIM 2 into SIM adapter 2) Insert the SIM Golden Chip from bottom of SIM tray to SIM 2 slot 3) Place SD Card on top of the Golden Chip and insert SIM tray carefully into the phone 4) Place cellotape to make the SIM adapter stationary into position 5) Restart phone and Voila Can't use 2 sim cards with memory card simultaneously? This adapter is your thing Now with 2018 version (9ribbons), you get the best quality of sim extension, also you get to save up your money from buying a new phone Suitable for most android devices as devices as below:- ~Huawei~ Mate S, Mate 7, Mate 8, Mate 9, Mate 10, G7 series, G9 series, P6 series, P7 series, P8 series, P9 series, P10 series, Nova 2i, Nova Plus, Nova 2 Plus, Nova 3e, Y7 Prime ~Honor~ Honor 8, Honor 8 Pro, Honor Note 8, Honor 9, Honor 9 Lite, Honor 5c, Honor 6A Pro, Honor V10 (View10), Honor 6X, Honor 7x ~Xiaomi~ Redmi 3, Redmi 3s, Redmi 3x, Redmi 4a, Redmi 4x, Redmi 5, Redmi 5 Plus, Redmi 6, Redmi 6a, Redmi Note 5, Redmi Note 5 Pro, Redmi Note 4, Redmi Note 4x, Redmi Note 3, Redmi Note 3 Pro, Mi Max, Mi Max 2, Mi 5X, Mi 5, Mi A1 ~Oppo~ F1, R7 Plus, R9s, R9s Plus, R11, R11 Plus, R11s, R11s Plus, R15, R15 Pro ~Samsung~ Galaxy C5, C7 Pro, Galaxy A8(2016), A8(2018), A8+(2018), Galaxy S7, S7 edge, S8, S8+, S9, S9+, Galaxy Note FE (Fan Edition), Note 8, Galaxy J7 Plus ~Asus~ Zenfone 3 series ~HTC~ Desire 10, U11, U11 Plus, U12 Plus, U Ultra, U Play ~ZTE~ Axon 7, Axon 7 Mini Blade v9, Blade v9 vita, Blade v7 Plus, Blade v7 Lite, Blade A520 ~Nubia~ Z11 series, Z17 mini, M2, M2 lite, N1, N2 ~LG~ G5, G6 ~Nokia~ Nokia 6, Nokia 8 Package includes:1pc