i-phone 4 low/poor signal network solution???? - GSM-Forum

imran_27 · 08-15-2015, 15:17

pls help, my i-phone 4 is having network but very low

HDccam · 08-17-2015, 20:24

Download iPhone 4 schematic and read the schematic, check antenna connector, replace antenna, if no result: jumper L17_RF, if still no result. Change (PA power amlefier network IC) Ü1_RF IC.

08-15-2015, 15:17	#1 (permalink)
imran_27 Insane Poster Join Date: Aug 2015 Posts: 65 Member: 2441148 Status: Offline Thanks Meter: 3	i-phone 4 low/poor signal network solution???? pls help, my i-phone 4 is having network but very low

08-17-2015, 20:24	#2 (permalink)
HDccam No Life Poster Join Date: Mar 2012 Location: Amsterdam, Netherlands Posts: 754 Member: 1732818 Status: Offline Thanks Meter: 532	Download iPhone 4 schematic and read the schematic, check antenna connector, replace antenna, if no result: jumper L17_RF, if still no result. Change (PA power amlefier network IC) Ü1_RF IC.