🔒 Closed Cellphone repair basic tutorial update pasinya po

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pasinaya na ko kng matagal maga kailang para matuto mag ayos ng sariling cellphone
tester
screw
twiser
soldering iron
hot air
soldering led
flax or insinso

phone not on
una;check baterry' gamit ung tester o kng wala kang tester gamit ka ng led or buld na 4.5 volts or 3.5 na led volts
tester. select range switch sa dcv 10 gaya nito
IMG20170512112551.webp
IMG20170512123500.webp
kng wala ka tester pwd ung led gaya nito
IMG20170512121354.webp
IMG20170512121453.webp IMG20170512121506.webp
kng wala ka led pwd din speaker
IMG20170512121617.webp
kahit ano na speaker pwd top red wire sa + nang baterry top black wire sa -ng baterry pa my tumunog ok ung batery

paano? malalaman kun sira ung battery;

1;tester; select range switch to dcv 10 pag hindi gumalaw ung meter pointer sira ung battery or dead ang tawang namin jan kaya kailangan mo ng power suply
na 12volts pang buhay...
IMG20170512125722.webp
paano? ang gagawin.

cut the wire top red wire to + battrey black top - in battry wait 3 to 5 minuts..

pangalawa:sira

tester battery terminal,
tester;select range switch to x1 or x10 dapat po ung meter poiter papalo sa 3oms ot higt pa
(god)
IMG20170512132111[1].webp
shorted;pag binaliktad mo ung red sa tester inilagay mo sa - at ung black inilagay mo sa reb pag pumalo siya shorted po ung unit
IMG20170512132140[1].webp

shorted ang unit;

una; bukasan ang unit
pangalawa; cleaning mo ung unit need mo nang brush thener coton at patoyuin sa hot air kng wala ka hot air pwd man sa araw 3to5 mints try mo tester kung shorted padin kung wala na try mo open ung unit

parts of model
IMG20170512135546.webp
kung may tanong po pm lng ako.. update ko araw ang thread ko salmt po...
 
okay tol na save ko na sa document hehehe may ibang tips ka ba diyan para sa dapat at huwag gawin?
kung okay din lang may mga troubleshooting ka ba kung kailan or papalitan ang isang parts like keypad , lcd screen or sensor? kung okay lang..
 
Paps tanung ko lang kung sakaling ma root itong samsung j2 ko ma unlock na dn po ba ang network nya? Or ma openline na po ba?

Ma unlock po ba ng Root method ang cp na nka network lock?
 
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vincepam23

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