MENTUME K90 12-inch Android Tablet, 256 GB

The MENTUME K90 is a 12-inch Android tablet listed with 256 GB storage and a case, keyboard, mouse and stylus. Its large screen and included input accessories suit browsing, media and light typing, while several headline specifications conflict within the listing and need checking before purchase.

At a glance

12-inch, 16:10 display with a listed 90 Hz refresh rate.
256 GB storage with microSD expansion listed up to 1 TB.
The stated kit contents include a case, keyboard, mouse and stylus.
USB OTG, stereo speakers and a 3.5 mm headphone connection are listed.

Price

£135.15Save 15%

Reference price: ~~£159.00~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

The large 12-inch display and 16:10 aspect ratio provide room for reading, browsing and split-screen-style work.
The explicitly listed case, keyboard, mouse and stylus make the bundle suited to buyers wanting several input options without sourcing them separately.
256 GB internal storage and microSD expansion listed up to 1 TB offer options for storing apps and media.

Cons

At 1.43 Kilograms, the listed weight is substantial for a tablet intended to be carried frequently.
The claimed 36 GB RAM figure should not be assumed to mean 36 GB of physical RAM. The listing describes it as 12+24 GB, while another field says 24 GB.

Technical specifications

38 specifications

Identity
Brand	MENTUME
Model	K90
Colour	Gray
Operating system	Android 16

Display and video
Screen size	12 Inches
Screen technology listed	IPS
Maximum display resolution	2000 x 1200 Pixels
Native resolution	2000x1200
Aspect ratio	16:10
Refresh rate	90

Computing specifications
Processor	Unisoc
Processor model	T615
Processor description	Octa Core
Processor speed	1.8 GHz
RAM listed	36 GB
Additional RAM listing	24 GB
Storage	256 GB
Maximum supported flash memory	1 TB
Compatible flash memory	microSD
Graphics	Integrated

Power and physical
Battery capacity	9000 Milliamp Hours
Lithium battery energy content	10000 Milliampere Hour (mAh)
Battery cell type	Lithium Polymer
Weight listed	1.43 Kilograms
Dimensions	24.7L x 16.3W x 1.1Th centimetres

Cameras, audio and connectivity
Front camera	5 MP
Rear camera	13 MP
Video capture resolution	FHD 1080p
Wireless technology	Bluetooth, Wi-Fi
Cellular technology	5G
Wi-Fi compatibility	802.11a, 802.11ac, 802.11b, 802.11g, 802.11n
Hardware interface	3.5mm Audio, USB 2.0
Total USB ports	1
Headphone jack	3.5 mm
Supported audio formats	MP3, FLAC, M4A, OGG, WAV, AAC, AMR
Special features	Expandable Storage, Stereo Speakers, Stylus Support, Supports USB OTG
GPS	GPS-Enabled
Biometric feature	Face Unlock

What to know before buying

Listing details to confirm

Listing details are contradictory or inconsistent: the title says T615, 2000 x 1200, 5 MP+13 MP and 10000 mAh, while a configuration field says T7250, 1920 x 1200, 8 MP+20 MP and 9000 mAh. Battery capacity is also listed as 9000 Milliamp Hours while energy content is labelled 10000 Milliampere Hour (mAh). The RAM claim is shown as 36(12+24)GB, but another field lists 24 GB. Cellular technology says 5G, yet the connectivity details list Wi-Fi and Bluetooth without confirming cellular service. Confirm the selected configuration and whether RAM expansion is virtual before buying. A stated 2000 x 1200 resolution is not Full HD.

What’s in the box

Included

1 Tablet
Power adapter
1 Charging Cable
1 Case
1 Keyboard
1 Mouse
1 Stylus
1 Manual

Who is it for?

A good fit for

Buyers wanting a large-screen Android tablet with storage expansion and a keyboard, mouse, case and stylus listed in the kit.
Home use, media viewing, browsing, note-taking and light typing where the listed weight is acceptable.

Less suited to

Buyers who need confirmed cellular data connectivity, a specific processor or camera configuration, or dependable battery-capacity information without checking the listing first.
People prioritising a lightweight tablet for frequent travel.

MENTUME K90 12-inch Android Tablet, 256 GB · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 27 ratings

5 stars57%57%
4 stars20%20%
3 stars15%15%
2 stars8%8%
1 star0%0%

The supplied evidence contains aggregate ratings but no customer comments, so it does not establish specific praised features or reported faults. The rating distribution is mixed, with a majority in the five-star category alongside three- and two-star ratings. This is limited context rather than an explanation of customer experiences. Buyers should weigh it against the unresolved listing discrepancies, especially around RAM, processor, display, cameras and battery.

Frequently asked questions

Does this tablet have 36 GB of physical RAM?

That is not established. The listing presents 36(12+24)GB but separately gives a RAM size of 24 GB. Treat the larger figure as unconfirmed and check whether it includes virtual or expanded RAM.

Which processor and display resolution are listed?

The title and details name a Unisoc T615 and 2000 x 1200 Pixels, but the configuration field instead gives a T7250 and 1920 x 1200. Verify the selected version before purchase.

Is 5G cellular connectivity confirmed?

No. A cellular technology field says 5G, but the listed connectivity details specify Wi-Fi and Bluetooth and do not substantiate cellular data support. Confirm whether a SIM or cellular connection is supported.

What comes in the listed package?

The manufacturer contents list specifies one tablet, charger adapter, charging cable, case, keyboard, mouse, stylus and manual. Check the selected listing for the exact bundle.