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Cell phone repair procedures

About GeekFix

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Register for GeekFix:Join Geek ... 2020-3-20 11:39 admin

Free experience zone

Mobile phone / tablet Free experience zone	17 / 17	Current phenomenon of iPhone A ... 2021-11-26 13:56 red
Laptop Free experience zone	30 / 30	MacBook A1534 as an example, m ... 2021-11-17 23:52 admin
Drone Free experience zone	13 / 13	DJI Inspire 1 X3 Cradle head ... 2021-11-13 16:39 admin

Tool and theory

Manual operation	79 / 79	No posts
circuit principle	31 / 35	Backlight circuit-repair ideas ... 2019-12-29 23:45 admin
Basics circuit principle	17 / 17	26-Method 2 for fingerprint ro ... 2019-12-7 17:48 admin
The basis for the use of manual hands-on tools for	29 / 29	No posts

Mobile Phone Fault Classification

Functional diagrams of mobile phones and tablet co	147 / 147	iPhone SE2 Functional diagram ... 2021-5-5 13:07 admin
Fingerprint home button Face ID (volume key return	92 / 92	Distance induction cable 3v sh ... 2021-2-19 17:01 red
Short circuit electric leakage (abnormal current)	145 / 145	iPhone Xs Max, leakage current ... 2021-3-4 15:41 red
USB online and charging circuit failure	158 / 158	Xiaomi 6X, bad fall, looks lik ... 2021-3-5 23:26 red
unable to boot and auto boot	273 / 277	iPhone 7 7plus Common fault, ... 2021-4-24 22:29 admin
No IMEI-Baseband-free null serial number	45 / 45	iphone XS MAX Block diagram of ... 2020-10-8 17:07 red
Backlight (Light) Circuit Failur	79 / 79	VIVO Z3 The output end of the ... 2020-10-19 19:07 red
Display Circuit Fault (including Display Circuit)	148 / 148	Huawei P30 has been repaired b ... 2021-3-5 23:23 red
Touch Circuit Fault (including Touch Screen Circui	108 / 108	XIAOMI note3 Touch function m ... 2021-1-29 15:50 red
wifi BT Bluetooth Wireless Network Circuit failure	63 / 63	vivo x7 Wifi failure, wifi can ... 2021-2-9 14:43 red
NFC and unactivated failure	20 / 20	iPhone Xs Max NFC Circuit Bloc ... 2021-3-5 23:27 red
SIM card read exception	57 / 57	Transform iPhone 12 into iPhon ... 2021-3-6 21:02 red
Ring tone sound horn vibration circuit fault	71 / 71	xiaomi 9 No speaker, ring faul ... 2021-2-9 17:42 red
Microphone circuit failure	11 / 11	There is no sound on the iPhon ... 2019-9-11 17:09 red
Handset Receiver circuit failure	17 / 17	iPhone Xs Max U5002 Receiver ... 2021-3-9 11:57 red
Earphone circuit failure	13 / 13	xiaomi mix2 Headset mode fail ... 2021-2-2 11:33 red
Camera Circuit Fault	108 / 108	U3700 Carema Power Supply Tube ... 2021-3-18 14:39 red
2G3G4G5G. No service, no signal, abnormal signal.	163 / 163	Xiaomi 9 has bad 4G signal due ... 2021-4-24 22:20 red
Flash and flashlight circuit failure	10 / 10	iPhone Xs Max U4120 Strobe Dri ... 2021-4-24 22:22 red
Fault of photosensitive distance sensing (sensor s	12 / 12	Huawei p40 smart cover 2021-4-24 22:23 red
Fault of GPS Circuit of Compass Gyro	14 / 14	iPhone Xs Max U3620 Air Pressu ... 2021-4-24 22:26 red
TF SD Card read exception	1 / 1	Circuit principle of Huawei MA ... 2019-9-16 13:00 red
UI stutters/lags/Run difficulties turn on slowly	17 / 17	iPhone 7 7Plus The system is s ... 2019-9-16 10:24 red
Boot stuck automatically restart, crash	150 / 150	Vivo Z5X restarts automaticall ... 2021-4-25 17:11 red
Sleep state, unable to wake up, fault case	5 / 5	iPhone 7 7plus Automatic resta ... 2019-9-16 12:39 red
Battery has no data	10 / 10	Voltage divider circuit withou ... 2019-9-4 07:43 red
(battery is not durable)Short standby time for po	1 / 1	(battery is not durable)Short ... 2019-9-16 14:03 red
Prompt temperature is too high or too low	8 / 8	Vivo X7 Plus notifies low temp ... 2021-4-25 17:14 red
Broken wire under screw column	36 / 36	iPhone X The screw column is ... 2019-10-25 14:04 red
NAND Disk memory expansion	15 / 15	NAND Capacity size identificat ... 2019-9-5 09:13 red
iTunes brusher error （update error）	64 / 64	Stuck while updating firmware. ... 2020-10-19 19:12 red
Unlock ID （iphone/ipad）	30 / 30	IPhone 6S and 6Splus baseband ... 2021-2-6 22:12 red
Other Fault Summary （phone-tablet）	108 / 108	Two kinds of main board for ip ... 2021-4-25 17:30 red
Software related (9008 unlock ISP, etc.)	155 / 155	Xiaomi 8 Youth Edition 9008 mo ... 2020-10-20 19:01 red
Previous failure cases	191 / 193	IPhone X hard disk damage or b ... 2019-8-5 18:32 zzw

Diagram

iPhone	2002 / 2004	No posts
ipad	117 / 117	No posts
SAMSUNG	66 / 66	Samsung S10 S10+Case of non-si ... 2021-11-25 22:11 red
HUAWEI	348 / 348	Huawei P10 cannot be started,b ... 7 day(s) ago red
MI Redmi	180 / 180	Xiaomi 8SE The idea of Handset ... 7 day(s) ago red
VIVO	151 / 151	VIVO S1 No display backlight m ... 2021-11-25 22:13 red
OPPO	149 / 149	OPPO Reno4 Do not start up pre ... 2021-11-25 22:02 red
Other	133 / 133	8848 M5 button screen power on ... 2021-11-22 12:36 red

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