3.5G

3.5G is a grouping of disparate mobile telephony and data technologies designed to provide better performance than 3G systems, as an interim step towards deployment of full 4G capability.

Technology

High-Speed Downlink Packet Access
Evolved HSPA
3GPP Long Term Evolution, precursor of LTE Advanced

Preceded by 3rd Generation (3G)	Mobile Telephony Generations	Succeeded by 4th Generation (4G)

Mobile phones

General

Software

Apps	Development Distribution Management Cloud computing

Commerce	Banking Marketing advertising campaigns Payments donating Ticketing

Content	Blogging Email Gambling Gaming Health Instant messaging Learning Music News Search local Social address book Television

Culture

Devices

Manufacturers 3D phone Camera phone Car phone Feature phone Projector phone Satellite phone Smartphone SIM lock

Form factors	Bar Flip Phablet Slider Smartwatch

Smartphones	Android devices rooting BlackBerry 10 iPhone iOS jailbreaking Open-source mobile phones Symbian devices Windows Phone devices

Environment
and health

Law

Networking

Channel capacity Frequencies Multi-band Network operators Roaming Signal SIM (Dual SIM) Standards comparison Tethering VoIP WAP XHTML-MP

Generations	List of mobile phone generations 0G 1G 2G 3G adoption 3.5G 4G 5G

Cellular network standards

List of mobile phone generations

0G (radio telephones)

AMPS family	AMPS (TIA/EIA/IS-3, ANSI/TIA/EIA-553) N-AMPS (TIA/EIA/IS-91) TACS ETACS

Other	NMT C-450 Hicap Mobitex DataTAC

GSM/3GPP family	GSM CSD

3GPP2 family	cdmaOne (TIA/EIA/IS-95 and ANSI-J-STD 008)

AMPS family	D-AMPS (IS-54 and IS-136)

Other	CDPD iDEN PDC PHS

2G transitional
(2.5G, 2.75G)

GSM/3GPP family	HSCSD GPRS EDGE/EGPRS (UWC-136)

3GPP2 family	CDMA2000 1X (TIA/EIA/IS-2000) 1X Advanced

Other	WiDEN

3G (IMT-2000)

3GPP family	UMTS UTRA-FDD / W-CDMA UTRA-TDD LCR / TD-SCDMA UTRA-TDD HCR / TD-CDMA

3GPP2 family	CDMA2000 1xEV-DO Release 0 (TIA/IS-856)

3G transitional
(3.5G, 3.75G, 3.9G)

3GPP family	HSPA HSDPA HSUPA HSPA+ LTE (E-UTRA)

3GPP2 family	CDMA2000 1xEV-DO Revision A (TIA/EIA/IS-856-A) EV-DO Revision B (TIA/EIA/IS-856-B) DO Advanced

IEEE family	Mobile WiMAX IEEE 802.16e Flash-OFDM iBurst IEEE 802.20

4G
(IMT Advanced)

3GPP family	LTE Advanced (E-UTRA)

IEEE family	WiMAX (IEEE 802.16m)

conceptual (currently under formal research & development)

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