ATGSM : We are specialized in international GSM unlocked mobile phone business. We distribute most popular brands of cellular phones such as Nokia, Motorola, Samsung, SONY, LG, HTC, Blackberry.
Tax Policy
New York state residents are subject to NY 8.875% sales tax.
All packages are shipped from New York.
Return and exchange policy:
1) Return or exchange must be requested within 3 days upon receipt of package.
2) RMA number will be assigned to your return upon requested, returns without RMA# will not be accepted.

3) All returns must comply with our return policy.
4) Item must be returned within 7 days after contacting us and have to send through insured mail.
5) Returned item must be in brand new or like new condition with original packaging. No damages or scratches.
6) Manufacturer defective item can be returned for exchange with the same model.
7) Any item that is returned non-defective in brand new or like new condition will be refunded less any shipping charges and a restocking fee of 15%.
8) Refund will be issued in the form of payment.
9) Brand new or like new conditions which means all the packaging including packaging for the accessories cannot be opened or used; screen protector must still be intact and cannot show signs of wear. No signs of wear on any parts of the phone; phone box cannot be torn or damaged.
10) In the event that you do receive a product that is defective, you will still be responsible for any return shipping costs.
11) We keep record of device unique IMEI numbers or serial numbers, if return item IMEI numbers does not match our record or in the event we are unable to ID the number due to the software modification, the return item will be deemed ineligible for return or exchange, item will be returned to you.
12) Physical, liquid or software modification failure caused damages to the device will not be considered as manufacturer defectives.
13) Please understand no OS software is perfect, therefore software imperfection does not considered as manufacturer defectives, if the imperfection bothers you so much, you want to return the device, a 15% restocking fee and original shipping charges will be applied.
14) One or two dead pixels may occur on any display, we will only accept exchange when there are three or more dead pixels which are visible to eyes.
Things you need to know:
1. Please check the network compatibility before purchase.
2. All phones support GSM 2G Edge / GPRS voice and data service.
3. 3G feature supports are network dependents.
• Phones must support HSDPA 1700 mhz network bandwidth in order to use T-mobile 3G.
• Phones must support HSDPA 850 / 1900 mhz network bandwidth in order to use AT&T 3G.
• Phones support HSDPA 1900mhz only will work with AT&T 3G in area runs on HSDPA 1900 mhz, you will lose 3G signal when you enter HSDPA 850 mhz area.
• Phones support HSDPA 850 mhz only will work with AT&T 3G in area runs on HSDPA 850mhz, you will lose signal when you enter HSDPA 1900 mhz area.
• Mobile data service plan are required to use the mobile internet.
4. MMS and Mobile data service may require configurations, APN profile needs to be setup if your service provider does not have automatic mobile data configuration. If you have difficulties on setting up the profiles, please do not hesitate to contact us.
5. We prefer you to ask questions before your purchase to avoid future dispute.
About GSM unlocked phones:
The Basics
It's important to understand an unlocked GSM phone is simply that: a phone not “locked” into a single carrier’s network. Since an unlocked GSM phone is not tied to any carrier, you are free to insert your active GSM SIM card into any unlocked phone and start making calls, however, unlocked GSM phones are only compatible with the GSM (Global System for Mobile Communications) network.
1. GSM unlocked phones are phones that made for open GSM networks, which are not restricted to work with a specific carrier, however, GSM phones work on GSM network only, it does not compatible with CDMA networks or any other networks.
2. International unlocked phones are non US version phones and often do not carry any US warranty. We do not offer any type of warranty service. To purchase warranty service for your phone, please refer to Squaretrade Company.
3. International unlocked phones often do not come with US charger plug, the charger can be European or UK charger plug, we will provide US charger adapter for the charger.
4. English language and keyboard is guaranteed on any GSM devices, however, devices may support multi language and it may come with other language input characters on top of an English input keyboard. If the start up language is not in English and you are having difficulties on language change, please contact us. Do not hesitate to contact us if you would like to check the supported language of the device.
You should be certain that the item you are purchasing will fit your needs before placing your order. By confirming your order, you indicate your agreement to this policy.
Please do not hesitate to contact us at 212-431-2592 or email us at
Tel: 1(212)431-2592
Hours: 11:00 AM to 7:00 PM Monday to Friday

Mailing Address:
90 Bowery
Suite 408
New York, NY 10013