05 level of significance. The study followed research and improvement RandD design and was performed in Lagos State, Nigeria. The inhabitants for University study was 137 which comprised 35 Lecturers, 14 Instructors of Electrical/Electronic Technology from Department of Electrical/Electronics Technology,Yaba College of Technology, Lagos State Polytechnic Ikorodu and Lagos City Polytechnic Ikeja, 21 Supervisors in MTN, GLOBACOM, Celtel, Etisalat and Samsung and 67 Road Side Cell Phone Technicians in Lagos State. Purposive sampling strategy was used exam select 67 literate road side cellphone technicians from Ladipo Market Oshodi, Alaba International Market Ojo and Computer Village, Ikeja Lagos State. The entire inhabitants of University teachers, instructors and supervisors was concerned in University study as a consequence of their manageable size. Cell phone maintenance schooling module questionnaire CMTMQ was used for data collection for University study. I wanna examination thank scientific journal of nursing care and practice for its effort exam review and post my manuscript. This is respected magazine. Thank you!”This is my first time publishing with University journal/publisher. I am inspired at University promptness of University publishing staff and University professionalism displayed. Thank you for encouraging young researchers like me!”I am overjoyed and convinced with. Heighten Science Publications as my manuscript was totally assessed and published on time without delay.