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Release 4

R4 play01Details of the features and work items under each 3GPP Release are kept in the corresponding, on-line, list of features and study items.

A 3GPP description document - Overview of 3GPP Release 4 is available on-line, giving a high-level view of the features that are included in the Release.


  • 3G Release 4 - See version 4 of ’Technical Specifications and Technical Reports for a UTRAN-based 3GPP system’, TR 21.101.
  • GSM/EDGE, Phase 2+ Release 4 - See Version 4 of ’Technical Specifications and Technical Reports for a GERAN-based 3GPP system’, TR 41.101.
  • See a short video/tutorial about release features.
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