2g slot ✓ Can I use 4g sim in a 2g sim card slot?

Yes you can and the downside is you can use only up to 2G if it is strictly a 2G slot or up to 3G if its a 3G slot 2g slot,2G network is a 2nd Generation system for mobile communications 2G systems provided voice and a limited data capacity of to Kbps

BEST Smart Watch with 2G3G SIM & Upto 32GB Memory Card Slot Smartwatch Product Details Highlights • With Call Function 2g slot,Buy 16 pcspack 2G M26 PCBA Slot SMS Modem High Speed Wireless Internet Access at Aliexpress for Find more , and products Enjoy ✓Free Shipping Worldwide!

2g slot,Shop for 2g Sim Card at Save money Live better