Samsung galaxy S2 GT-I9100 WCDMA BAND5 TX 3G Network Not Working Solution

Samsung galaxy S2 GT-I9100 WCDMA BAND5 TX 3G Network Not Working Solution  Schematic,Circuit,Diagram

Samsung galaxy S2 GT-I9100 WCDMA BAND5 TX 3G Network Not Working Solution Step By Step

Step 1

Check U101 PIN11 :

About 22 dBm ?

CHECK soldered

- RFS100,L107,C107,L108,

C106,C104,C105,ANT100

Step 2

Check the Voltage at
C102 = VBATT ?

Resolder or change
U101, C102

Step 3

Check C100, L100 :
About 22dBm ?

Resolder or change
C100, L100

Step 4

Check component
soldering status OK at
F100

Resolder or change
F100

Step 5

Check C128, C133
About 22dBm ?

Resolder or change
C128, C133

Step 6

Check the Voltage at
R741,C117=VOUT_CHARGER?

Resolder or change
PAM100, R741, C117

Step 7

Check C125, L112 :
About 0dBm ?

Resolder or change
C125, L112

Step 8

Check the voltage at
{C138 = VOUT_CHARGER ?}
& {C169, C170, C171
= VOUT_CHARGER?}
& {C137, C174 = 2.85V ?}
& {C134, C176 = 2.65V ?}
& {C136, C178 = 1.8V?}

& {C135, C175, C173 = 1.2V?}

Resolder or change

U104

Step 9

Check the freq. at C123
: 26MHz ?

Change or resolder
OSC100

Step 10

WCDMA band5 Transmitter is O.K?

Resolder or change
UCP300

Step 11

END

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Samsung Galaxy S2 GT-I9100 WCDMA BAND5 TX 3G Network  Not working Solution 

Samsung Galaxy S2 GT-I9100 WCDMA BAND5 TX 3G Network Not Responding Solution

Samsung Galaxy S2 GT-I9100 WCDMA BAND5 TX 3G Network  Not Properly Work Solution

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Samsung galaxy S2 GT-I9100 WCDMA BAND2 TX 3G network Not Working Solution

Samsung galaxy S2 GT-I9100 WCDMA BAND2 TX 3G network Not Working Solution Schematic,Circuit,Diagram

Samsung galaxy S2 GT-I9100 WCDMA BAND2 TX 3G network Not Working Solution Step By Step

Step 1

Check U106 PIN11 :

About 22 dBm ?

CHECK soldered
- RFS100,L107,C107,L108,

C106,C104,C105,ANT100

Step 2

Check the Voltage at

C102 = VBATT ?

Resolder or change

U101, C102

Step 3

Check L103, L106 :
About 22dBm ?

Resolder or change
L103, L106

Step 4

Check component
soldering status OK at
F100

Resolder or change
F100

Step 5

Check C131, C127, L114 :
About 22dBm ?

Resolder or change
C131, C127, L114

Step 6

Check the Voltage at
R741,C117=VOUT_CHARGER?

Resolder or change
PAM100, R741, C117

Step 7

Check C124, L111

About 0dBm ?

Resolder or change

C124, L111

Step 8

Check the voltage at
{C138 = VOUT_CHARGER ?}
& {C169, C170, C171
= VOUT_CHARGER?}
& {C137, C174 = 2.85V ?}
& {C134, C176 = 2.65V ?}
& {C136, C178 = 1.8V?}

& {C135, C175, C173 = 1.2V?}

Resolder or change

U104

Step 9

Check the freq. at C123
: 26MHz ?

Change or resolder
OSC100

Step 10

WCDMA band2 Transmitter is O.K?

Resolder or change
UCP300

Step 11

END

Unofficial Support Site For This Phone By welcome Zone Haldwani 

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Samsung Galaxy S2 GT-I9100 WCDMA BAND2 TX 3G network Not working Solution 

Samsung Galaxy S2 GT-I9100 WCDMA BAND2 TX 3G network Not Responding Solution

Samsung Galaxy S2 GT-I9100 WCDMA BAND2 TX 3G network Not Properly Work Solution

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Samsung Android Usb Driver Download

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Samsung GT-C3322 Metro Duos PCS Transmitter Network not Working Solution

 Samsung GT-C3322 Metro Duos PCS Transmitter Network not Working Solution Schematic, Diagram , Circuit

                                        

 Samsung GT-C3322 Metro Duos PCS Transmitter Network not Working Solution Step by Step 

Step 1

RFS100 Pin2

>= 20dBm

Check Ant and Resoleder

L100,C124,C117,L103,C120

Step 2

PAM100 Pin15

>= 20dBm

Resolder RFS100,L101,L104

Step 3

PAM100 Pin2

>= 20 dBm

Resolder or Change PAM100

Step 4

Check UCP200,C149

(crack,open,etc)

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Samsung GT-C3322 Metro Duos PCS Transmitter Network not working Solution 

Samsung GT-C3322 Metro Duos PCS Transmitter not connect Solution

Samsung GT-C3322 Metro Duos PCS Transmitter Network not Reachble Solution

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ATF BOX USB DRIVER DOWNLOAD FOR ALL WINDOWS

ATF BOX USB DRIVER DOWNLOAD FOR ALL WINDOWS 

ATF Official Windows 8/7/XP 32-bit/64-bit Signed USB Drivers
Download the Signed USB Drivers Here:

or you can just click "UPDATE IMPORTANT FILES" in the ATF Software
to get the new Signed Drivers here:

C:\AdvanceBox Turbo Flasher\Driver\ATF_NEW_DRIVERS\


Windows Operating System Support List:
Windows 8
Windows 8 x64
Windows Server 2008 R2
Windows 7
Windows 7 x64
Windows Server 2008
Windows Server 2008 x64
Windows Vista
Windows Vista x64
Windows Server 2003
Windows Server 2003 x64
Windows XP
Windows XP x64
Windows ME
Windows 98
Windows 8 Pro 64-Bit
Windows 10

ATF BOX USB DRIVER DOWNLOAD

ATF BOX LATEST SETUP DOWNLOAD

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Samsung GT-C3322 Metro Duos PCS Receiver Network not Working Solution

 Samsung GT-C3322 Metro Duos PCS Receiver Network not Working Solution Schematic, Diagarm , Circuit

 Samsung GT-C3322 Metro Duos PCS Receiver Network not Working Solution Step by Step

Step 1

Normal condition

Catch the channel?

Check Ant and Resoleder

L100,C124,C117,L103,C120

Step 2

RFS100

Pin 2

>= -60dBm

Resolder RFS100,L104,L101

Step 3

PAM100

Pin 15

>= -70dBm

Check PAM100

Step 4

PAM

Pin 18

>= -70dBm

Check F101,C135,L109

(crack,open,etc)

Step  5

F101

Pin 8,9

>= -75dBm

Check C136,L110,C138

(crack,open,etc)

Step 6

Check UCP200

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Samsung GT-C3322 Metro Duos PCS  Receiver Network not working Solution 

Samsung GT-C3322 Metro Duos PCS Receiver not connect Solution

Samsung GT-C3322 Metro Duos PCS Receiver Network not Reachble Solution

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Samsung Android Usb Driver Download

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Samsung galaxy S2 GT-I9100 WCDMA BAND1 TX 3G Network Not Working Solution

Samsung galaxy S2 GT-I9100 WCDMA BAND1 TX  3G NEtwork Not Working Solution Schematic,Circuit,Diagram

Samsung galaxy S2 GT-I9100 WCDMA BAND1 TX  3G NEtwork Not Working Solution Step By Step

Step 1

Check U101 PIN11 :

About 22 dBm ?

CHECK soldered
- RFS100,L107,C107,L108,

C106,C104,C105,ANT100

Step 2

Check the Voltage at
C102 = VBATT ?

Resolder or change
U101, C102

Step 3

Check C108, L102 :
About 22dBm ?

Resolder or change
C108, L102

Step 4

Check component
soldering status OK at
F100

Resolder or change
F100

Step 5

Check C132, C126 :
About 22dBm ?

Resolder or change
C132, C126

Step 6

Check the Voltage at
R741,C117=VOUT_CHARGER?

Resolder or change
PAM100, R741, C117

Step 7

Check C124, L111
About 0dBm ?

Resolder or change
C124, L111

Step 8

Check the voltage at
{C138 = VOUT_CHARGER ?}
& {C169, C170, C171
= VOUT_CHARGER?}
& {C137, C174 = 2.85V ?}
& {C134, C176 = 2.65V ?}
& {C136, C178 = 1.8V?}

& {C135, C175, C173 = 1.2V?}

Resolder or change

U104

Step 9

Check the freq. at C123

: 26MHz ?

Change or resolder

OSC100

Step 10

WCDMA band1 Transmitter is O.K?

Resolder or change

UCP300

Step 11

END

Unofficial Support Site For This Phone By welcome Zone Haldwani 

HOME

Search Tags

Samsung Galaxy S2 GT-I9100 WCDMA BAND1 TX 3G Network Not working Solution 

Samsung Galaxy S2 GT-I9100 WCDMA BAND1 TX 3G Network Not Responding Solution

Samsung Galaxy S2 GT-I9100 WCDMA BAND1 TX 3G Network Not Properly Work Solution

Android App For This Site

Download

Samsung Usb Drivers

Samsung Android Usb Driver Download

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Samsung galaxy S2 GT-I9100 WCDMA BAND2 TX 3G network Not Working Solution

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