Unlocked Cell Phones a simple defination

What are Unlocked Cell Phones?

Unlocked Cell Phones are also Known As: sim unlocked cell phones, gsm unlocked cell phones, tdma unlocked cell phones, world unlocked cell phone, unlocked cellular phones, unlocked mobile phones and Unlocked phones.

These Unlocked cell phones are used with GSM carriers around the world. They use SIM cards. In the United States unlocked cell phones can be used with Cingular, T-Mobile, Cellular One and other GSM Carriers.

Two types of unlocked cell phones are:

One: Original Equipment Manufacturer (OEM) unlocked cell phones:

OEM unlocked cell phones comes directly from the manufacturer. These Unlocked cell phones have never been assigned to any service provider/carrier. OEM Unlocked Cell Phones come in the manufacturer’s original packaging. They don’t have any service provider/carrier logos or customization (Internet/MMS settings) These. OEM Unlocked Cell Phones can be configured for Internet/MMS settings with any service provider/carrier. OEM unlocked cell phones have warranties from the country in which they were manufactured. Major OEM unlocked cell phone manufacturer’s are Motorola, Nokia, Sony Ericsson, Samsung, LG and Siemens. Most If not all unlocked cell phones are manufacutred in Europe or Asia.

Two: Carrier/Operator unlocked cell phones:

Carrier unlocked cell phones were originally locked to a specific service provider (i.e AT&T Wireless or T-Mobile) Then were unlocked. These unlocked cell phones usually have a carrier/operator customization in the menus and carrier logos; They can’t be configured for Internet/MMS settings with any other carriers/provider. Carrier/Operator unlocked cell phones carries local warranty of the country in which the carrier with whom they was originally locked operates.

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