Turn off your phone and unplug headphones, charging cables, and other accessories. Remove the case or protective cover. Wipe down your phone's surfaces with a damp microfiber cloth sprayed with a solution of one part distilled water and one part 70% isopropyl alcohol.
Open "Settings" on your Android device. Scroll down and tap on "System" or "General Management," depending on your device. Select "Reset" or "Reset Options." Choose "Erase all data (factory reset)" or a similar option.
Turn off your phone and unplug headphones, charging cables, and other accessories. Remove the case or protective cover. Wipe down your phone's surfaces with a damp microfiber cloth sprayed with a solution of one part distilled water and one part 70% isopropyl alcohol.
Important: If you delete Search history that's saved to your Google Account, you can't get it back. You can delete a specific activity, or delete your Search history from a specific day, a custom date range, or all time.
Before you begin, turn your phone off and disconnect it from your charger. If you don't have disinfectant wipes, you can spray an alcohol-based based (70% isopropyl) solution on a soft, lint-free cloth and then gently wipe down your device. Just be sure that you don't saturate the cloth.
Mix equal parts distilled water and 99 percent isopropyl alcohol in a small spray bottle. Spray a bit of the solution onto a clean microfiber cloth. Using a gentle circular motion, rub the ink stain from your touch screen.
Wash screens and frames with a solution of warm water and dish detergent. (A mixture of one part vinegar to three parts water will also do the trick.) With a soft-bristled brush, scrub both sides of the screen. Rinse screens again to remove soap film and any stubborn particles.
Android browser: Go to Menu > More > Settings or Menu > Settings > Privacy & Security. Chrome: Go to Menu > Settings > Privacy. Android browser: Tap Clear cache, Clear history, and Clear all cookie data as appropriate.
Perform a Factory Reset
Performing a factory reset will erase all data on your Android phone. Go to Settings > System > Reset > Factory data reset. Confirm the action and wait for the process to complete. This will remove all personal data, apps, and settings from the device.
Don't use 100% alcohol cleaning products; they can damage a phone's protective coatings. Don't apply liquid or cleaner directly to your phone. Don't submerge the phone. Don't use liquid bleach.
This usually means the pixels in the screen are damaged. Damage can be caused by dropping or hitting the smartphone. Unfortunately there is no simple way to fix bleeding without replacing the entire component. Check if you have device protection that may cover the repair.
If you're not sure how to fix dead pixels on your phone, you can try restarting the device. If this doesn't work, a repair shop might be your only option. Sometimes, a restart will fix temporary issues, but sometimes dead pixels are permanent, requiring a repair. To fix them, it's best to check the phone's warranty.
Using a 70% isopropyl alcohol wipe or disinfecting wipe, you may gently wipe the hard, nonporous surfaces of your product, such as the display, keyboard, or other exterior surfaces, according to Apple. Never use aerosol sprays, bleaches, or abrasives to clean your electronic devices to prevent damage.
Protect your screen
Do not use window and kitchen cleaners, as they may damage the protective coating on your screen. Do not use rubbing alcohol, paper towels, compressed air, dish soap or vinegar. All of these can damage your phone: Paper towels can scratch your screen, and vinegar could damage its coating.
Using a 70 percent isopropyl alcohol wipe, 75 percent ethyl alcohol wipe, or Clorox Disinfecting Wipes, you may gently wipe the exterior surfaces of your iPhone. Don't use products containing bleach or hydrogen peroxide. Avoid getting moisture in any openings, and don't submerge your iPhone in any cleaning agents.
Deleting your search history makes it more difficult for websites to track you and your online activities. Your search history is your own,and it may contain private information you don't want people to see. It can improve performance.
Your ISP cannot see your deleted browsing history. Once you delete it from your device, it's typically removed from your local storage and cannot be accessed by your ISP. However, if your ISP has previously stored your browsing history, deleting it from your device will not remove it from its records.
But deleting digital data—including clearing browser history—can result in federal felony obstruction of justice charges under 18 U.S.C. § 1519, the federal anti-shredding statute, which carries a 20-year maximum penalty.