Hello! I have Sony Xperia Z2 and everything was good till I started to have issues with Wi-Fi connection.

While connecting to wi-fi network it drops after "Obtaining IP address", it tries to connect and then go again and again obtaining IP. I tried to reset it, then "Forget network" and connect again, it worked for some time, but after it stuck again. What else can I do? Thank you in advance.

How best can I restrict access to shared folder access by some apps? I try to run some apps with specific user access so as to restrict access to some shared folder that is accessed by apps for different business purposes. Due to recent security breach, I try to restrict access to this shared folder, but the apps stop running as required. What other ways can I use to secure the share folder?

How do I make my browsing secure when am using public wi fi connection or networks? I recently found out that hen am in public using public networks (wi fi), window will put my connection in public thereby protecting some of my files, but this protection is really limited because someone was able to access my files while using the same public network. Is there any other ways to increase my privacy while using public networks?

What could be making my Samsung galaxy note to start rebooting after I install devise firmware? I got some firmware update on my Samsung galaxy note recently and I install the firmware, but after the installation the device starts to reboot whenever I open any app. How could I fix the problem?

Do I need to worry in installing apps on my mobile devices or not? Now that everything is going mobile, a lot of apps requires a lot of access to personal privacy. With many apps requesting free range of mobile permission, should I be concern or just trust that the data are in safe hand? Is there any supervisor for the data that this app developers has access to?

Why is my HTC desire smartphone shutting down after loading? I recently root my HTC desire android smartphone due to some malfunctioning problem. After the rooting, the phone starts shutting down abruptly after loading the smartphone. The worst thing is that, before I touch anything on the smartphone it will shut down. How can I fix this problem?

Do I need to back up window in the cloud? Using image back up and data back up may be wonderful but if I lost my Laptop maybe to theft, fire or flood disaster, what essence is the image back up I left in the cloud? What are the diff between image back up and data back up and which is could be of help in case of disaster?

Why is my HTC one M8 fail to connect to Google service? I log out of Google account on my HTC m8 android phone recently and when tried to log in to access Google play, the phone fail to connect to Google services. I taught it was due to internet connection, but the smartphone can access other website except Google. How can I fix this problem?

How to I change (Increase) the speed of my LinkSys smart wi fi EA 6900 dual router? My LinkSys smart wi fi EA 6900 dual router has a max speed of 600 + 1300Mbps, the speed that I enjoy with the LinkSys router is far below this range. Whenever I check the speed on the system, it is around 300Mbps or sometimes 350Mbps. What could be wrong with the router?

Why is my laptop not seeing most devices after I restore the computer to its factory setting? My computer was malfunctioning due to the problem of malware that affect the NIC card. I later restore the computer to its factory setting to clear the malware, but after the restore, the computer stop to see most of my devices. What can I do after downloading many divers for these devices?