List of Samsung, Sony, LG, HTC, Motorola, Xiaomi, Huawei, Asus, OnePlus, Lenovo, ZUK devices that will receive update to Android 6.0 Marshmallow. This has been confirmed officially by each vendor. This list is a list that has been officially confirmed but it is also possible for other models will follow.
Samsung Devices
(2015) Samsung Galaxy S6 edge+, Samsung Galaxy Note5, Samsung Galaxy S6 edge, Samsung Galaxy S6
(2014) Samsung Galaxy Note 4, Samsung Galaxy S5, Samsung Galaxy Alpha, Samsung Galaxy A8, Samsung Galaxy A7
Sony Devices
(2015) Sony Xperia Z5 Premium, Sony Xperia Z5, Sony Xperia Z5 Compact, Sony Xperia Z3+ / Z4, Sony Xperia C5 Ultra, Sony Xperia C4, Sony Xperia M5, Sony Xperia M4 Aqua
(2014) Sony Xperia Z3 / Z3v, Sony Xperia Z3 Compact, Sony Xperia Z3 Tablet Compact, Sony Xperia Z2, Sony Xperia Z2 Tablet
(2013) Sony Xperia Z Ultra GPE
LG Devices
(2015) LG G4, LG G Flex2
(2014) LG G3
HTC Devices
(2015) HTC One M9 Plus, HTC One E9 Plus, HTC One M9, HTC One E9
(2014) HTC One (M8), HTC One (E8)
Motorola Devices
(2015) Motorola Moto X Pure Edition (3rd gen), Motorola Moto X Style (3rd gen), Motorola Moto X Play, Motorola Moto G (3rd gen)
(2014) Motorola Moto X Pure edition (2nd gen), Motorola DROID Turbo, Motorola Moto MAXX, Motorola Moto Turbo
Xiaomi Devices
(2015) Xiaomi Mi Note 2, Xiaomi Redmi 2, Xiaomi Redmi 2 Prime, Xiaomi Mi 4i
(2014) Xiaomi Mi 4, Xiaomi Mi Note, Xiaomi Mi Note Pro
Huawei Devices
(2015) Huawei Ascend P8, Huawei Ascend P8max, Huawei Honor 6 Plus, Huawei Honor 7i, Huawei Honor 7, Huawei Mate S, Huawei MediaPad X2
(2014) Huawei Mate 7, Huawei Honor 6, Huawei Mate 7, Huawei Honor 4X, Huawei Honor 4C, Huawei Ascend G7
Asus Devices
(2015) Zenfone 2 series, Zenfone 2 Laser, Zenfone 2 Deluxe, Zenfone Selfie, Zenfone Go
OnePlus Devices
2015 OnePlus 2
2014OnePlus One
ZUK Devices
2015 ZUK Z1
Tags: 6.0 Marshmallow 2015 update, 6.0 Marshmallow update, update to Android 6.0 Marshmallow