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Nokia Asha 311 Volume and Keypad lock keys problem can be solve with a few steps and jumpers that i am going to teach in this post and given in diagram bellow.So following these tips and tricks we can solve volume and keypad lock key lock keys easily all cellular mobile repairing solution here Nokia Asha 300 insert SIM Problem Solution ways jumpers 
If volumes are not working we will not be able to volume up or down we also can not use keypad if keypad lock button is not working in Nokia Asha 311.So look at above diagram and clean all these parts that are given in it.
Apply heat to so that it can be dry for a few mint.Do not apply much heat because it can harm your skin and may can damage mother board also.
Check all these tracks that are given in repairing diagram and if any of them is missing apply jumpers as shown in it.If any button switch or part is damage you can replace it with new one.
for more detail and new tips and tricks about cellphone service problem keep visiting this page we will update cellphone service diagrams timely with new cellphone diagrams.some related post are also given bellow you can read them also for more information about cellphone.

Download drivers HP Mini 311-1025NR for Windows 7 32-bit
Chipset
NIVDIA Chipset Driver Version : 5.1.2600.171 A
Download
Audio / Sound
IDT High-Definition Audio CODEC Driver Version : 6.10.6230.0 A
Download
Display / VGA
NVIDIA VGA Driver Version : 8.15.11.8644 A
Download
Camera / Webcam
HP Webcam Software Version : 3.0.6.189 A
Download
Card Reader
Realtek Card Reader Driver Version : 6.1.7100.30098 A
Download
Bluetooth
Software Support for HP Integrated Module with Bluetooth Wireless Technology
Version : 7
Download
Wi-Fi / Wireless Lan
Qualcomm Mobile Broadband Drivers - Gobi2000 Version : 1.1.190.0
Download
Atheros Wireless LAN Driver Version : 1.00
Download
Broadcom Wireless LAN Drivers Version : 5.60.48.18
Download
Qualcomm Mobile Broadband Drivers - Gobi1000
Version : 3.00
Download
HP Wireless Assistant Version : 3.50.10.1
Download