Question 1

What is the Lenovo U2G glass door lock?

Accepted Answer

It is a clamp-on Wi-Fi smart lock for frameless glass doors that opens by fingerprint, PIN code, card, remote fob, the Tuya app or a mechanical key. It is the version of Lenovo's glass lock without face recognition, and fitting it involves no drilling.

Question 2

Is the U2G a genuine Lenovo product?

Accepted Answer

It carries the Lenovo brand under licence. The maker is Yunka Intelligent of Shenzhen, which produces and supplies the Lenovo smart lock range. Lenovo does not build the locks itself, so warranty and parts go through the supplier, and we confirm that route with your quote.

Question 3

How much is the U2G in Dubai, and where can I buy it?

Accepted Answer

Sourced to order. Ask us for today's price and lead time. No UAE shop stocked the U2G when we checked, so we order it in after measuring your door. If you need a glass lock quickly, the face recognition U2GF is sold locally.

Question 4

What glass thickness does the Lenovo U2G fit?

Accepted Answer

It suits a frameless glass door, single or double. The U2G sheet does not print a glass range, but it shares its body with the U2GF, which is listed for 8 to 12mm glass and a 3 to 10mm gap at the closing edge. We measure your door against those figures first.

Question 5

Does the U2G need the glass door drilled?

Accepted Answer

No. The lock and keeper grip the glass instead of passing through it, so there are no holes. If you move offices, the lock can be taken off and the door is left unmarked, which helps when you hand a unit back to the landlord.

Question 6

Can the U2G go on a framed, aluminium or timber door?

Accepted Answer

No. The clamp only works on bare glass. A timber or metal swing door that cannot take a mortise lock suits the U2 Ultra rim lock, and an aluminium-framed sliding or balcony door suits the L1, which fits inside the profile.

Question 7

Can I use it on a sliding glass door?

Accepted Answer

Possibly. The catalogue groups the U2G with its sliding door locks, so a frameless sliding glass leaf can work. What decides it is the gap at the closing edge and the surface the keeper clamps to when the door shuts. We check both on site before recommending it.

Question 8

Is the U2G an office glass door lock, or can a villa use it?

Accepted Answer

It is mainly an office and retail lock. In a villa it suits a glass study, gym, pool house or partition door. In an apartment it rarely applies, since main doors are solid and usually fire rated, and internal glass doors seldom need a smart lock.

Question 9

Can a tenant fit the U2G?

Accepted Answer

Yes, in most cases, as long as the landlord or building management approves it first. The clamp-on fitting leaves the glass untouched, which is the strongest point in your favour when you ask. Keep the approval in writing with your tenancy or lease papers.

Question 10

Which app runs it, and can I open the door remotely?

Accepted Answer

Smart Life, the Tuya app, runs it over Wi-Fi, and yes, you can open the door from your phone. The app is fine to use here. From the app you can open the door, issue codes for set periods, single use or a short visit, and see alarm alerts. We connect it to your network and set up the admin account with you.

Question 11

Will it work with Alexa or Google Assistant?

Accepted Answer

Not that we can confirm. The spec sheet does not list voice assistant support, so we only promise app control. If voice control matters to you, tell us before ordering and we will check with the supplier rather than guess.

Question 12

What happens in a power cut or if the battery dies?

Accepted Answer

Power cuts do not affect it, as the lock runs on a 2,500mAh rechargeable battery and only the app goes quiet while the router is off. The sheet does not list an emergency power port, so the mechanical key is your fallback. Charge the battery as soon as the low battery alarm appears.

Question 13

Is it fine in Dubai heat?

Accepted Answer

Indoors, easily. The rating runs from -25 to 70 C, so an air-conditioned office or a shaded villa interior is no strain. It is only IP54, which covers dust and splashes, but a glass door facing the street in full sun and the odd downpour is not where it belongs.

Question 14

How many users does it hold?

Accepted Answer

Up to 100 fingerprints, 500 PIN codes and 500 cards. That is a lot of capacity for a glass lock, enough for a few hundred staff on cards, with fingerprints kept for managers and codes for visitors and contractors.

Question 15

How do I manage staff, cleaners and contractors?

Accepted Answer

Give permanent staff a card or fingerprint each. For a cleaner on set days, use a period code; for a one-off contractor, a one-time code; for a visitor, a temporary code. When someone leaves the company, delete their card in the app, so there are no keys to collect back.

Question 16

How secure is the U2G?

Accepted Answer

It includes alarms for abnormal movement, wrong passwords, low battery and anyone trying to take it apart. The hidden password option lets people pad their code with extra digits, and multiple verification can ask for two credentials. It is access control for glass, so do not expect it to stop a determined break in.

Question 17

Is there a remote control?

Accepted Answer

Yes, the catalogue lists a remote fob for this lock. A receptionist can let visitors in without leaving the desk, which is handy in a clinic or showroom. Ask us how many fobs ship with the lock, since it is worth having a spare.

Question 18

How long is the fitting, and what do you look at before ordering?

Accepted Answer

Expect one short visit, since the lock clamps on and nothing is cut. Before ordering, we look at the glass thickness, the gap where the door closes, single or double leaf, which way it opens, Wi-Fi at the door, and whether your building wants to approve it.

Question 19

What warranty and support come with it in the UAE?

Accepted Answer

Warranty terms come from the supplier and are confirmed at order, as the U2G has no local stockist. We give you those terms in writing. For help with the app, adding staff or firmware updates, which come over the air or through the rear port, contact us.

Question 20

When is the Lenovo U2GF a better pick than the U2G?

Accepted Answer

Choose the U2GF if people often arrive with full hands, or if you want hands free entry for regular staff. It adds a 3D face camera with a motion sensor and stores 50 faces. It is also sold in the UAE, while the U2G is sourced to order.

Question 21

Who should not buy the U2G?

Accepted Answer

Skip it if you want hands free entry, need a lock on the door this week, have a framed or aluminium door, or want a front door lock for a villa. Those buyers are better served by the U2GF, a locally stocked lock, the L1 family or a mortise smart lock.

Question 22

How should I look after it?

Accepted Answer

Clean the fingerprint sensor and keypad with a soft dry cloth, since dust and hand cream slow down reading. Recharge the battery when the lock warns you, check the clamps are firm after a few months of busy use, and install firmware updates when the app offers them.

Question 23

Is the Lenovo U2G the same lock as the U2GF without face recognition?

Accepted Answer

Yes. The U2G uses the same 188 x 66mm clamp-on body as the U2GF, the same 100 fingerprint, 500 code and 500 card capacity, the same remote fob and the same 2,500mAh battery, and leaves out the 3D face camera and its motion sensor. The U2GF is sold in the UAE, while the U2G is sourced to order.

Door type	Frameless glass door
Lock type	Clamp-on rim lock with matching keeper, A-grade cylinder
Unlock methods	Fingerprint, PIN code, card, remote fob, app, mechanical key
User capacity	100 fingerprints, 500 PIN codes, 500 cards
Visitor codes	Period, one-time and temporary codes
Power	2,500mAh rechargeable battery
App	Tuya / Smart Life over Wi-Fi
Rating	IP54, -25 to 70 C
Panel size and finish	188 x 66mm each side, phantom black aluminium alloy

Lenovo U2G Glass Door Smart Lock

What it is and where it fits

Specifications

What to check before you order

Questions about the Lenovo U2G Glass Door Smart Lock

Fitted properly, set up by our Dubai team