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  2. 3G Shutdown: 6 Things You Need to Update & How Much It ... - AOL

    www.aol.com/finance/3g-shutdown-6-things-much...

    The shutdown of 3G networks won't just impact your old phone. You may need to replace or update other devices, such as certain medical devices, tablets, smartwatches, vehicle SOS services, home...

  3. Say goodbye to 3G. What to know as major carriers shut down ...

    www.aol.com/news/goodbye-3g-know-major-carriers...

    All of the major carriers plan on shutting down their 3G networks in 2022, with AT&T in February, T-Mobile in the summer and Verizon at year's end.

  4. 3G networks are shutting down. Here's what it means for ... - AOL

    www.aol.com/news/3g-networks-shutting-down-heres...

    Arizonans should upgrade cellphones, home alarms, medical-alert devices and vehicle navigation systems that use 3G or they may stop working. 3G networks are shutting down. Here's what it means for ...

  5. SIM lock - Wikipedia

    en.wikipedia.org/wiki/SIM_lock

    The unlock codes retrieved must be entered into the mobile phone using the keypad. For DCT4 and DCT3 Nokia, unlock codes consist of a "#" key, followed by "pw+", 10 (DCT3) or 15 (DCT4) digits, "+", and another number ranging from 1-7, and finally ends with a "#". Depending on the carrier which the phone is locked to, only some codes will work ...

  6. UMTS - Wikipedia

    en.wikipedia.org/wiki/UMTS

    The Universal Mobile Telecommunications System (UMTS) is a 3G mobile cellular system for networks based on the GSM standard. [1] Developed and maintained by the 3GPP (3rd Generation Partnership Project), UMTS is a component of the International Telecommunication Union IMT-2000 standard set and compares with the CDMA2000 standard set for networks based on the competing cdmaOne technology.

  7. Early iPhone systems-on-chip - Wikipedia

    en.wikipedia.org/wiki/Early_iPhone_systems-on-chip

    iPhone and iPod Touch models released between 2007 and 2009 used system on a chip (SoC) circuits designed by Samsung and manufactured to Apple's specifications. Two such SoCs were used: the Samsung S5L8900, used in the first-generation iPhone, the iPhone 3G, and the first-generation iPod Touch, [1] and the Samsung S5L8920, used in the iPhone 3GS and the third-generation iPod Touch. [2]

  8. Check your electronics, AT&T shutting down their 3G network - AOL

    www.aol.com/news/check-electronics-t-shutting...

    Check your electronics, AT&T shutting down their 3G network. For premium support please call: 800-290-4726 more ways to reach us

  9. High Speed Packet Access - Wikipedia

    en.wikipedia.org/wiki/High_Speed_Packet_Access

    High Speed Downlink Packet Access (HSDPA) is an enhanced 3G (third-generation) mobile communications protocol in the High-Speed Packet Access (HSPA) family. HSDPA is also known as 3.5G and 3G+ . It allows networks based on the Universal Mobile Telecommunications System (UMTS) to have higher data speeds and capacity.