▁by ▁turning ▁off ▁the ▁G PS ▁and ▁v ib ra ▁call ▁alert , ▁and ▁by ▁turning ▁down ▁the ▁back light ▁of ▁the ▁display . ▁Test ing ▁has ▁revealed ▁that ▁using ▁the ▁phone ▁in ▁ 2 G ▁network ▁will ▁provide ▁ 3 - 4 ▁times ▁the ▁stand by ▁time ▁than ▁using ▁it ▁in ▁ 3 G ▁networks . ▁ ▁Media ▁ ▁Wall p apers ▁The ▁screen ▁size ▁of ▁the ▁e 6 1 6 ▁is ▁ 1 7 6 x 2 4 0 ▁pixels , ▁but ▁the ▁wall paper ▁should ▁be ▁restricted ▁to ▁ 1 7 6 x 2 0 0 ▁pixels ▁to ▁allow ▁for ▁the ▁status ▁bar ▁at ▁the ▁top ▁and ▁the ▁menu ▁bar ▁at ▁the ▁bottom ▁of ▁the ▁screen . ▁ ▁R ington es ▁The ▁N EC ▁e 6 1 6 ▁supports ▁poly ph onic ▁r ington es . ▁ ▁Information ▁C odes ▁ ▁Special ▁codes ▁supported ▁by ▁the ▁e 6 1 6 ▁include : ▁* # 0 6 # ▁shows ▁I ME I ▁number ▁* # 2 8 2 0 # ▁shows ▁Software ▁Version ▁* # 3 2 1 0 # ▁shows ▁SP ▁lock ▁info ▁* # 4 9 6 0 # ▁shows ▁sim ▁lock ▁info ▁* # 7 3 2 0 # ▁shows ▁net ▁lock ▁info ▁* # 8 1 4 0 # ▁shows ▁corpor ate ▁lock ▁info ▁* 7 3 7 3 8 # ▁master ▁reset ▁▁ ▁# 7 3 2 0 *( 8 ▁digits ▁password ) # ▁release ▁the ▁Net ▁Lock , ▁password ▁required ▁* # 2 6 3