Mobile Repairing Course Online Free Class 20 Network Problem
Network Problem:
If There Is No Network Then
If Network Searches The Providers List Then
1. Antina is Ok2. PFO is Ok
3. RF IC is Ok
If There Is No Provider List Displays Then
1. PFO2. Antina Switch
3. Fem IC Check or Change
Mobile Repairing Course Online Free Class 20 Network Problem
By DPTouch
Mobile Repairing Course Online Free Class 19 Mobile Repairing Tips
100% Practical Mobile Reparing Tips
If Mobile Doesn't Switch On Then
1. Check Battery.
2. Try With The Charger.
3. Check Battery Connector.
4. Check Shorting In Fem, UEM, Backlignt IC, Audio Amplifier IC.
5. Check Power On/off Button.
6. 26 Mhz Crystal, CPU, Memory, Power IC
7. While Flashing Ist Boot Error And Iind Boot Error Shows Then Uem Is Faulty.
Low Netowork
1. Check PFO, Antina Switch And Fem IC
2. Check Antina And Its Contact Points.
Network Provoiders List Doesn't Show While Manual Search
- Check PFO, Antina Switch And Fem IC
Network Is Ok But Can't Call
- Check CPU And RF IC
In Manual Network Search, No Access Fault
- Check/change Antina Switch Or Fem IC
No Charging
- Check Charger, Charging Socket, Charging Fuse, Charging Coil, Diode, Charging IC
Not Charging, Charger is plugged
- Check charging protection register, charging IC
No Display
- Display, Display IC, Display Connector Check/Change
Buttons of The Keypad are Automatically Working
- Clearn the keypad, Check/Change keypad IC
Insert SIM Fault
- Check SIM Socket, SIM IC, Clean Battery point carbon, Change/Check the battery, SIM socket, Battery Connector.
Ringer is Not Working
- For this check ringer and it's jumper, also check logic IC and Audio Amplifier IC
Vibrator is Continuous ON
- For this check /change UEM IC
There is no Backlight ON
- For this check LEDs, Display Connector, Display Cable & Backlight IC.
Hands free is Not Working
- Check handsfree socket and UEM IC
Mobile Repairing Course Online Free Class 19 Mobile Repairing Tips
By DPTouch
Mobile Repairing Course Online Free Class 18 Mobile Secret Codes
Android Hidden Codes
Uring My Time In A Secret Government Agency Called Girly Boy Squad, We Were Trained In Several Different Ways To Diagnose And Test The Hardware And Software On Android. Since I Was The Top Girly Boy In The Squad It Was My Job To Know These Secret Codes That Would Get You In And Out Of Hidden Menus Within Android. If You Guys Promise Not To Share Any Of This Info With Anyone Else I’ll Tell You Everything That I Know.
To Enter These Codes Just Pull Up The Default Dialer App And Use Your Chubby Fingers To Press The Correct Buttons.
- *#92702689# : To See life timer of mobile phone
- *#0000# : To See Software name and version
- *#7780# : For Factory setting in Nokia mobile
- *2767*3855# : To Format Samsung GSM OLD model
- *2767*7377# : To Format Samsung GSM
- *#7370# :To Format Nokia Phone
- *#800# : To Know China mobile software version
- *#0044# : To Know China mobile English Language setting
- *#001# : To China mobile English Language setting
- *#369# : To Change LCD contrast in China mobile
- *#*#4636#*#* : Display information about Phone, Battery and Usage statistics
- *#*#7780#*#* : Restting your phone to factory state-Only deletes application data and applications
- *2767*3855# : It’s a complete wiping of your mobile also it reinstalls the phones firmware
- *#*#34971539#*#* : Shows completes information about the camera
- *#*#7594#*#* : Changing the power button behavior-Enables direct poweroff once the code enabled
- *#*#273283*255*663282*#*#* : For a quick backup to all your media files
- *#*#197328640#*#* : Enabling test mode for service activity
- *#*#232339#*#* OR *#*#526#*#* : Wireless Lan Tests
- *#*#232338#*#* : Displays Wi-Fi Mac-address
- *#*#1472365#*#* : For a quick GPS test
- *#*#1575#*#* : A Different type GPS test
- *#*#0283#*#* : Packet Loopback test
- *#*#0*#*#* : LCD display test
- *#*#0673#*#* OR *#*#0289#*#* : Audio test
- *#*#0842#*#* : Vibration and Backlight test
- *#*#2663#*#* : Displays touch-screen version
- *#*#2664#*#* : Touch-Screen test
- *#*#0588#*#* : Proximity sensor test
- *#*#3264#*#* : Ram version
- *#*#232331#*#* : Bluetooth test
- *#*#7262626#*#* : Field test
- *#*#232337#*# : Displays bluetooth device address
- *#*#8255#*#* : For Google Talk service monitoring
- *#*#4986*2650468#*#* : PDA, Phone, Hardware, RF Call Date firmware info
- *#*#1234#*#* : PDA and Phone firmware info
- *#*#1111#*#* : FTA Software version
- *#*#2222#*#* : FTA Hardware verion
- *#*#44336#*#* : Displays Build time and change list number
- *#06# : Displsys IMEI number
- *#*#8351#*#* : Enables voice dialing logging mode
- *#*#8350#*#* : Disables voice dialing logging mode
- ##778(+call) : Brings up Epst menu
Mobile Repairing Course Online Free Class 18 Mobile Secret Codes
By DPTouch
Mobile Repairing Course Online Free Class 17 Water Damage Phone
How To Repair Water Damage Phone
1. At First Remove The Battery From The Mobile Phone. Don't Try To Switch On The Phone If It Is Wet.
2. Now Disassemble The Complete Mobile Phone Then Dry All The Parts.
3. You Can Dry PCB Of Mobile Phone By Hot Blower Or Hot Air Machine.
4. Don't Give Heat To The Battery And Display.
5. After Drying Each And Every Part, Assemble The Mobile Phone And Then Put The Battery And Try To Switch It On.
6. If The Phone Doesn't Switch On Then Again Disassemble The Phone And Then Clean The PCB With Isopropyle Alcohal And Then Dry The PCB And Assemble The Mobile Phone Again And Check Back By Switching It On. Or You May Also Use Ultrasonic Vibrator Cleaner To Clean The PCB.
7. Now If Phone Doesn't Get Switched On Then Do The Step By Step Checking For Dead Mobile Phone And Take The Action Accordingly.
Mobile Repairing Course Online Free Class 17 Water Damage Phone
By DPTouch
Mobile Repairing Course Online Free Class 16 Nokia Lumia Factory Reset
Hard Reset / Factory Reset / Master Reset In Nokia Lumia Phone
1. If Your Mobile Phone Is On Then Click "Arrow Icon" At The Bottom Of The Startup Screen.
2. Now Go To "Settings".
3. Now Go To "About Phone" Option.
4.Then Choose "Reset Your Phone" Option.
5.Then Choose "Yes" Option.
Now Wait For A While Your Mobile Phone Will Be Reset.
Mobile Repairing Course Online Free Class 16 Nokia Lumia Factory Reset
By DPTouch
Mobile Repairing Course Online Free Class 15 Hard Reset Nokia Lumia Win8
How To Hard Reset Nokia Lumia Mobile Phone:
(Windows 8 Mobile)
1.First Switch Off The Mobile Phone.
2.Then Press And Hold Power Button, When Mobile Vibrates, Press Volume Down Button.
3.After A Few Seconds You Will See Exclamation Mark.
4.Now Press Volume Up Then Volume Down And Then Power Button And Then Volume Down Button One By One.
5.By This Way You Can Reset Your Nokia Lumia Mobile Phone.
Mobile Repairing Course Online Free Class 15 Hard Reset Nokia Lumia Win8
By DPTouch
Mobile Repairing Course Online Free Class 14 Hard Reset Nokia Lumia Win7
Hard Reset Nokia Lumia Mobile Phone:
(Windows 7 Mobile)
1. First Switch Off The Mobile Phone.
2. Then Press And Hold Volume Down , Camera Button & Power Button Simultaneously.
3. When Mobile Phone Vibrates Then You Can Release Power Button.
4. As Soons As Phone Restarts Then Release Rest Keys.
5. By This Way You Can Hard Reset You Nokia Lumia Mobile Phone.
Mobile Repairing Course Online Free Class 14 Hard Reset Nokia Lumia Win7
By DPTouch
Mobile Repairing Course Online Free Class 13 Flashing Methods
Method Of Flashing:
1. First Connect The Mobile With The Flasher Box As Shown In The Picture And Connect Flasher Box With Computer With A USB Cable.
2. Now Open DCTX-UFX Software.
3. Now Click "Connect" Button.
4. Now Choose The Model Of Mobile Phone Which Is To Be Flash From Different Categories Such As DCT3, DCT4
5. Now Choose MCU File.
6. Now Choose PPM File.
7. Now Click On "Check" Button.
8. Now Click On "Flash" Button.
Then Flashing Will Be Started. After Completion Of Flashing Click "Format User Area" To Format The Phone.
Mobile Repairing Course Online Free Class 13 Flashing Methods
By DPTouch
Mobile Repairing Course Online Free Class 12 Flashing Tools
Flashing Materials:
Flashing (Software Repairing)
When You Buy The Flasher Box, It Contains The Following Things.
- HWK-UFS - Micro
- USB Cable
- Flasher Box
- Flashing Cables
- DVD/CD
- User ID & Password
Mobile Repairing Course Online Free Class 12 Flashing Tools
By DPTouch
Mobile Repairing Course Online Free Class 11 What is Flashing
What is Flashing?
DCTx UFSx Is A Flashing Software.
First You Need To Start DCTx UFSx Software In Your Computer/PC.
Connect:-
First You Need To Click On "Connect" Button. It Will Show Details Of The UFS Box. If Details Are Shown Means UFS Box Is Connected Properly To The Computer. Then You Need To Choose Model For Which Do You Want To Do Flashing. Choose Your Model From Different Categories Such As DCT3 , DCT4 Etc.
Check : -
Then You Need To Click On "Check" Button. If "1st Book Ok" Message Appears Means Mobile Hardware Is Ok. If "2nd Book Ok" Message Appears Means Mobile Software Is Ok. If "1st Book Error" Message Appears Means Mobile Hardware Is Not Ok.
Info:-
If You Click "info" Button It Will Show Complete Details Of The Mobile Phone Such As Security Code, Manufacturing Date, Sofware Version, Software Date Etc..
Then You Need To Choose MCU And PPM File To Flash.
MCU = Nhu5nx05.110 It Is Software File
PPPM = Nhu5nx05.11k It Is A Language File
Then Click "Falsh" Button To Start Flashing. Then Wait A While To Complete The Flashing. If Any Error Occurs In Between The Flashing Then See The Error Message And According To The Message Take Decision Accordingly.
Mobile Repairing Course Online Free Class 11 What is Flashing
By DPTouch
Mobile Repairing Course Online Free Class 10 Various Faults in Mobile Phone
There Are Two Types Of Problems In Mobile Phone:
- Software
- Hardware
- All Types Of Software Problem We Can Easily Solve By Flashing.
- For This There Is No Need To Open The Mobile Phone.
- We Can Solve This Problem By Connecting Mobile To Computer And Do The Flash.
For This Purpose There Are Different Type Of Flasher Boxes Available Such As
- UFS,
- Volcano Box,
- Z3X Box,
- Infinity Box,
- Ufs Micro,
- Spiderman,
- ATF Box Etc.
We Can Solve Following Types Of Problem By Flashing
- Change The Language.
- Setting Display Contrast.
- Contact Service Problem.
- Mobile Hang.
- Restart Again And Again.
- Too Slow.
- Checking Of Dead Mobile.
- Pattern Lock.
- Phone Lock.
- Formatting Of Mobile Phone.
- Sim Lock.
- Factory Reset.
- Checking Mobile Phone Without Battery.
- Security Code.
- Resetting Of Life Timer.
- Hardware Problem.
- Such Kind Of Problems We Can Solve Only By Opening The Mobile Phone With Screwdriver.
- Such As Changing The IC, Replacing The Display Or Touch Screen Etc.
Mobile Repairing Course Online Free Class 10 Various Faults in Mobile Phone
By DPTouch
Mobile Repairing Course Online Free Class 8 Block Diagram Of Mobile Phone 2
Block Diagram Of Mobile Phone 2 :
FEM : Front End Module
FEM : PFO + Antina Switch
UEM : Power IC + Charging IC + Logic IC + A F IC
UPP : CPU
Mobile Repairing Course Online Free Class 8 Block Diagram Of Mobile Phone 2
By DPTouch
Mobile Repairing Course Online Free Class 7 Full Forms
Various Parts Used In Mobile Phone And Their Full Names
C.P.U : Central Processing Unit
A.F:IC : Audio Frequency IC / Cobba IC
I.F. IC : Intermidiate Frequency IC / Haggar IC
RAM : Random Access Memory
LCD : Liquid Crystal Display
S. RAM : Static Random Access Memory
PLL : Phase Lock Loop
SIM : Subscriber Identification Module
GSM : Global Service For Mobile Phone
CDMA : Code Division Multiple Access
RTC : Real Time Clock
ROM : Read Only Memory
PFO : Power Frequency / Amlifier Oscilator
BGA : Ball Grid Array
IMEI : International Mobile Equipment Identity
PCB : Printed Circuit Board
LED : Light Emiting Diode
UEM : Universal Energy Manager
AC : Alternate Current
DC : Direct Current
Mobile Repairing Course Online Free Class 7 Full Forms
By DPTouch
Mobile Repairing Course Online Free Class 6 Block Diagram Of Mobile Phone 1
Block Diagram Of Mobile Phone:
- Above Block Diagram Of Mobile Phone Shows That How The Parts Of The Mobile Phone Are Internally Connected With Each Other.
- By Studying The Block Diagram We Can Easily Find Out That Where The Fault Is.
- For Example If Ringer Is Not Working Then If We See The Block Diagram,
- We Come To Know That Ringer Is Connected To The Logic IC.
- So Problem Is Around Ringer And Logic IC And Its Circuit.
- Same Way Whatever Problem Is, We See The Related Circuit Such As Keypad Circuit,
- Speaker Circuit, Charging Circuit.
Mobile Repairing Course Online Free Class 6 Block Diagram Of Mobile Phone 1
By DPTouch
Mobile Repairing Course Online Free Class 5 Giving Shock To Batteries
How To Check Mobile Batteries:
We Can Do The Following Work By Using Digital DC Power Supply Machine
- Battery Checking.
- Giving Shock To The Batteries.
- Giving Power Supply To The Battries When Battery Is Not Present.
- Charging The Batteries.
- This Machine Gives 1.5 To 15 Volt DC Power Supply We Can Use It For Anything.
- When We Check Battery By Multimeter And Battery Shows 0.00 Volt Then We Can Use This Machine To Give Shock By 15 Volt. If Battery Shows 0.00 Volt Means Battery Is Deeply Discharged.
- When We Give Shock To The Battery And Digital Power Supply Machine Shows Some Voltages, For Example 1.5 Volt Means Battery Is Usable. If Digital Power Supply Machine Shows 0.00 Volt Means Battery Is Not Usable.
- We Can Also Use This Digital Power Supply Machine To Give Power Supply To The Mobile Phone, In That Case We Need To Set Digital Power Supply Machine To 3.6 Volt.
Mobile Repairing Course Online Free Class 5 Giving Shock To Batteries
By DPTouch
Subscribe to:
Posts (Atom)