SmartPhones How

A DNS cache (sometimes called a DNS resolver cache) is a temporary database, maintained by a computer's operating system, that contains records of all the recent visits and attempted visits to websites and other internet domains. Your DNS cache stores the locations (IP addresses) of web servers that contain web pages that you have recently viewed. If the location of the webserver changes before the entry in your DNS cache updates, you can no longer access the site. In other words, a DNS cache is just a memory of recent DNS lookups that your computer can quickly refer to when it's trying to figure out how to load a website.

We can enable and disable Developer Options to configure Android system behavior and debug application performance in Realme C2 (RMX1941) based on ColorOS 6.0. In Developer Options we can configure many things such as activating OEM unlock the bootloader, services running, WebView implementation, USB debugging, do not use a screen lock, disabling the automatic update system, and much more.

Many IP addresses originating from VPN and Proxy subscriptions are blacklisted. Of course, Free VPN services are more dubious. Many free tools to track blacklisted IP, URL, and Domain Name. Make sure you are anonymous.

Dark Mode on Whatsapp Web has not been officially released. With a little CSS trick, we can change the WhatsApp Web theme to dark. Just add CSS Class using the inspect feature in the web browser.

APN is not a strange term for mobile internet users in the millennial era. You can research how many APN keyword searches in the search engine. Many people think that APN settings can increase the speed and stability mobile broadband networks from operators.

The Samsung Pay navigation button will appear bottom the home screen when you have finished updating to One UI 2.0 (Android 10). In my case, after updating the Samsung Galaxy Note 9 (SM-N960F) FOTA from N960FXXS4CSK2 to N960FXXU4DSLB. Finally, I learned that Samsung Pay is one of the additional apps planted on the Android Q package designed by OEM.

We can use the ADB shell commands without root to disable the Xiaomi Cloud Account and Find Device on MI and Redmi Android phones. Sometimes bypass through EDL Mode is not enough; in some cases, the phone will be locked again after being connected by wifi or mobile data internet. Especially Xiaomi phones that use a high processor and running on MIUI 7 higher.

ColorOS 6 introduces several changes to the system and applies to all applications when running on the Android Pie 9 platform. We have to permit to activate features like camera, location, SMS, contacts, storage, microphone, and so on.

Think twice before you install an Android Package Kit (APK) file whose source code is unknown. Various cybersecurity companies find malicious applications that can hide from users, retrieve stored data, download additional malicious apps, and display advertisements. Have you ever heard of Xhelper and Ransomware?

Your Xiaomi Redmi 2 phone is stuck on the logo. The phone boots usually after reinstalling MIUI 8 or 9 Global Stable ROM, but the Google Play Store app is missing. Also, the factory reset can be the cause of the Google Play Store disappear even though you find pre-installed other Google applications.

Do we have to install TWRP custom recovery and root the phone to add the Play Store app? No requirement. What we need is the Google Play Store installer in the APK (Android Package Kit) format.

The Minimal ADB and Fastboot tool installed on Windows 7, 8 and 10 x64 displays the message cannot read firmware package when you try to update the firmware through ADB Sideload. Compatibility issues cause errors. The ADB tools support Windows 86 bit (x86), and you install it on Windows 64 bit (x64).

The S Pen assists you in performing various functions. Samsung Galaxy Note 9 S Pen does not work well for previewing content, take a photo or entering text could be due to connection problems between the S Pen and the phone. You can try the reset function to reset the connection.

Bringing the phone to factory settings can eliminate all stored user data, including screen patterns and third-party applications. On HTC One PN07140 phone, there are two ways to hard reset the phone without doing the flashing.

When an Android phone like Asus, Huawei, Samsung, Xiaomi, etc. is connected to Windows 10 PC to be used as a modem using USB Tethering, the work of Windows 10 is lag and freeze in opening the Network & Sharing Center and running other applications. This problem is generally caused by Windows 10 choosing the old version of RNDIS driver by default.

Minimal ADB and Fastboot is a lightweight software for writing command-line that lets you interact with an emulator or a connected Android device. These commands are used to do specific operating system tasks from a command-line. How to use it is almost the same as Windows Command Prompt.