Zong 4G Achieves Maturity Level 3 in CMMI, Cementing Leadership in Pakistan’s Digital Landscape ISLAMABAD: Pakistan’s premier telecom operator, Zong 4G, joyously commemorates the momentous achievement of attaining Maturity Level 3 (ML3) in the esteemed Capability Maturity Model Integration (CMMI), as revealed in an official press release. CMMI stands as an internationally recognized framework for…