Dear Bhavin,
Thank you for your inquiry about the item here.
We offer a detailed description of all our products on the item page.
Customers are also more than welcome to submit a question to our QA team and we will reply via the product Q&A's.
Please note we never change the firmware of the item after we get it from manufacturer.
If any inquiry, please feel free to contact us at our support center: http://www.gearbest.com/about/contact-us.html
We are always here for your help.
Thank you for your kind support.
Gearbest.com

The first thing I ordered / no 1 g3 smartwatch phone/ was unfortunately wrong to me, could not fill in and turn off, I sent customer service, answered readily, solved the problem, sent me another item, nl post, arrived very soon, there was no problem with the shipping and the product, In my box I got intact, in working condition, I am very satisfied with the product and their attitude, I have ordered it several times, I highly recommend it to everyone, good prices, fast shipping time.