Mobile phone of acting acting apple has common fault, this IPhone8 also not save worry. The person of the same trade takes an IPhone8 that does not switch on the mobile phone, tear open machine, ammeter checks small electric current, link computer not online. Tore open USB chip again electrify, electric current jumps become normal, changed a chip to install machine test, everything is normal.
Travel together to take this machine again the following day for charge restart, still do not charge sometimes. Checked a few hours, have really charge restarted phenomenon, indication n is 1% . Tear open again machine, short receive batteries to detect foot two pipe, charged not to restart, but show do not support this fittings.
Hit next end to insert, the ACC1 that gives an issue easily and ACC2 did not discover unusual. Check discovery again end inserts 19 feet to break a string, DP2 P, DP2 N is USB chip and fill chip of attestation of the apple on electrical wiring to correspond, same principle, DP1 P and DP1 N break a line to also can appear this breakdown.
19 feet connect leg of USB chip A3, tear open next chip microscope to issue careful observation, discover A3 foot solder dish break a string (inside red circle, with 6P feeling) .
Flying line filling dot.
Outfit machine checks, it is normal to charge, restart no longer, fault correcting, maintenance ends.
