How to report Unsolicited Commercial Communication to TRAI (Unwanted SMS and Calls)

Many times, we receive unwanted SMS or voice calls from people who market services or offer goods when we are registered on the "Do Not Disturb (DND)" lists of the Telecom Regulatory Authority of India (TRAI). These telemarketers do not validate your status on the Do No Disturb database and send you marketing messages or … Continue reading How to report Unsolicited Commercial Communication to TRAI (Unwanted SMS and Calls)

Got an ANT VR head set, here is how to view movies on it

I bought an ANT VR headgear and on first use, found that the video I played was in landscape mode alright, but it was not viewable properly. I could see wrong image and distorted. Finally, I realized that we need an application to split the movie into 2 distinct images on the phone display for … Continue reading Got an ANT VR head set, here is how to view movies on it

How to fix compile error in Android application where strings.xml contain invalid characters

I created an application with a string-array in the strings.xml file. Unfortunately, I left some apostrophe in one of the string values that was: D'Souza Obviously, at compile time, the Android Studio 2.2 IDE threw an error about invalid characters not preceded by a . I should have actually put the string as: D'Souza Now, … Continue reading How to fix compile error in Android application where strings.xml contain invalid characters

How to set up Contact Groups in Android (Marshmallow / Lollipop)

In Android 5 (Lollipop), I had set up my contacts with groups that were easy to manage and follow. Eg: Friends, Family, etc. Did not understand how that categorization came about. After applying the Android 6 (Marshmallow) upgrade, I realized that I could not set up Contact Groups. By habit, I had disabled unwanted system … Continue reading How to set up Contact Groups in Android (Marshmallow / Lollipop)

Xiaomi or Xperia type security issues and how to detect them on any Android device

Anything that is too good to be true and available at dirt-cheap prices like the Xiaomi phones sold in flash sales on http://www.flipkart.com, always has a catch. It is like the Trojan horse. The security issue with Xiaomi phones is that the phone allegedly transmits user sensitive data like IMEI, contacts, numbers etc to servers … Continue reading Xiaomi or Xperia type security issues and how to detect them on any Android device

How to set up Airtel Mobile Internet access manually on Android phone

Recently, it was very tough to get the mobile internet settings from India's largest cellular service provider. This link on their website to receive settings via SMS never worked despite several retries on different days. Finally, he called their helpline at 121 and got to the option where they ask all sorts of questions including … Continue reading How to set up Airtel Mobile Internet access manually on Android phone

Create VLAN on TP-Link WDR4300 wireless router with isolation

The TP-Link WDR4300 wireless router has an Atheros Chip. Due to this, it is not easy to set up VLANs (Virtual Local Area Networks) on it. Below explains how this can be done with the kind of problem that was overcome. Problem: I had a guest computer on my home wireless network that kept sending … Continue reading Create VLAN on TP-Link WDR4300 wireless router with isolation