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There are four major carriers in the US and three of them already rolled out Marshmallow update to HTC One M8 and One M9 flagships. AT&T is not ready to release the latest firmware for these two smartphones and users will need to wait a little longer because, according to HTC’s Vice President of Product Management, Mo Versi, there are some technical problems that haven’t been fixed yet. He posted on Twitter that it could take a couple of weeks for the roll out to be approved.

AT&T subscribers who own a HTC One M8 or M9 smartphone are very frustrated because they’re stuck with Android 4.4.2 KitKat and 5.1 Lollipop, respectively, while their fellow Americans connected to networks are enjoying Android 6.0 Marshmallow and its new features. This carrier has been delaying the roll-out for a while and the news is not favorable, because HTC’s representatives have informed the owners of the two devices that the company has encountered trouble, but in a couple of weeks, the update will be finally available.

When AT&T will release Android 6.0 Marshmallow update over the air, it will take a while until it will reach all users, unless there will be found bugs or other problems that will affect the upgrade process. When contacted by CS representatives, Mr. Versi said that “more details will be announced later”.

We remind you that the HTC One M8 was released in 2014 and the One M9 arrived one later. Both devices have a 5-inch Super LCD3 screen with a Full HD resolution, but the rest of the specs are totally different.


The One M8 uses a Qualcomm MSM8974AB Snapdragon 801 chip with a Quad-core Krait 400 processor clocked at 2.3GHz in US/EMEA or 2.5GHz in Asia, China, which is backed by an Adreno 330 GPU and 2GB of RAM and has two variants of internal memories with capacities of 16 and 32GB, but which are expandable up to 128GB.

The One M9 houses a Qualcomm MSM8994 Snapdragon 810 chip with two quad core processors clocked at 1.5GHz and 2GHz, which are backed by an Adreno 430 GPU and 3GB of RAM and the internal memory is 32GB, but expandable up to 200GB.


Both batteries are non-removable and with capacities of 2600mAh (One M8) and 2840mAh (One M9).


The One M8 has a Dual 4 MP Ultrapixel camera on the back and a 5MP camera on the front. The One M9 has the 4MP Ultrapixel on its front side, while on the back was placed a more advanced 20MP camera.