dm20 smartwatch
dm20 smartwatch
dm20 smartwatch
dm20 smartwatch
dm20 smartwatch
dm20 smartwatch

DM20 Smartwatch with 4g LTE- Android Standalone Smart Watch with Sim Card Slot

Regular price
Sale price
Regular price

DM20 Smartwatch Standalone Android 4g LTE Smart Watch with Sim Slot

dm20 smartwatch


Looking for a square smartwatch with 4g? Check out these specs: Android OS, MTK6739 Quad-core CPU, 3GB RAM+32GB Storage, Facial Unlock & WiFi supported, making sure it meets all your needs. Our 4g Square smartwatch will bring you much fun and convenience with the upgraded battery from 780mah to 1280mah. (Requires GSM Sim Card from At&t, T-Mobile & so on, DOES NOT WORK WITH VERIZON or SPRINT)

dm20 smartwatch standalone android

OS & Configuration:

Our 4g Standalone Smartwatch Runs on Android OS, powered by high-performance MTK6739 Quad-core CPU.  3GB RAM+32GB ROM ultimately deliver a richer using experience.

Lemfo smartwatch 4g android watch

Pedometer & Heart Rate Monitoring:
DM20 Smart Watch intelligently calculate your motion steps and distance, taking care of your health. Supports recording your heart rate to keep abreast of your physical condition.

DM20 Smartwatch

APP Download Available: Yes
Clock Interface: Selectable
Recording: Yes
Speaker: Yes
Battery Capacity: 1280mAh Lithium polymer battery

Sim for 4G Smartwatch

Need a Sim Card? Check out our sim activation service, we will install the Speedtalk sim card in your big smartwatch. Just purchase the sim together with your watch by clicking on the frequently bought together option above. Visit HERE to verify that your address is in a covered area for indoor residential use (Sim Activation Service is non-refundable)


Q: Can it call & text?

A: Yes, as long as you use a fully activated and compatible sim card.

Q: What is a compatible sim card:

A: Any sim card that operates on 4G frequency bands of 1,2,5,7,13. (Mainly T-mobile, At&t, SpeedTalk, Mint-Mobile)

Q: Can I buy a new sim card and just insert it in the watch?

A: You must activate the sim card using a phone or online before inserting it into the watch. 

Q: Can it be activated at the store or by calling the carrier?

A: Unfortunately, the reps are not trained to know much about smartwatches so they always say no. The way to activate the sim is by using a phone or online by providing the IMEI of your phone. Once activated, insert it into the watch and reboot.

Q: What is your return policy?

A: We offer a generous 30 days return policy. Items must be returned with     original box and accessories in new or slightly used condition. Restock fee applies to buyer's remorse returns, missing items or damaged/ roughly used items.

Q: Is there a warranty?

A: There is a 1 year manufacturer warranty that covers factory defects.

Liquid error (templates/product line 59): Error in tag 'section' - 'alireviews-widget-137694' is not a valid section type