Even though smartphone manufacturers like Motorola, LG and HTC have started Android 6.0 Marshmallow roll out for their smartphones, Samsung is yet to release Android M update for its flagship smartphones. Fresh speculations suggest that it will begin the Android 6.0 update as early as next month.

The Galaxy Note 5 and Galaxy S6 Edge+ smartphones were expected to receive Android 6.0 upgrade in December 2015. The Galaxy S6 and S6 Edge users are also expected to get Android 6.0 in this month. However, the January month is already coming to an end and Samsung has not made any official announcement on releasing Android 6.0 upgrade for its 2015 flagship smartphones.

According to Mobi Picker, a tipster named XTECH LEAKS has revealed a leaked document from Samsung that contains the company’s schedule for releasing Android M update for its smartphones. According to the leak, the Samsung Galaxy Note 5 and S6 Edge+ are scheduled to receive Android 6.0 update sometime next month.

The Galaxy S6 and S6 Edge owners are now scheduled to receive the update within the first quarter of this year. The Galaxy Note 4, Note Edge, and Galaxy S5 users are posted to receive Android 6.0 Marshmallow upgrade between March to April.

The Seoul-based firm has already approved the Marshmallow update for the above mentioned smartphones, Phone Arena reported. Hence, the company is expected to soon begin the release of Android M update for its smartphones.

Samsung has already rolled out Android 6.0.1 Marshmallow beta edition for owners of Galaxy S6 and S6 Edge in the U.K. and South Korea. Hence, the rumor mill is claiming that Samsung is likely to release Android 6.0.1 update soon after the roll out of Android 6.0 update. The Samsung Galaxy S7 and S7 Edge smartphones that are expected to release in the next month will arrive with Android 6.0 Marshmallow preinstalled.