At some point in everyday use, it is common for Android mobile devices they present screen failuresThese problems can have diverse origins, such as software bugs, hardware failures, antiquity, misuse o accidental accidentsThe screen is undoubtedly one of the most delicate and essential components of a mobile phone, and repairing or replacing it can seem like a complex task. However, with the right information and resources, many users can tackle self-repair or, at least, diagnose the problem more accurately. In this article, we show you, step by step, How to fix a non-working Android phone screen, covering everything from the simplest solutions to advanced and workshop options.
Identifying common problems on an Android phone screen
Before proceeding with any repair, it is essential identify the type of failure that the screen displays. There are clear symptoms that can tell us whether the cause is physical or logical:
- Black screen: The mobile phone turns on, but the screen shows no image.
- Areas that do not respond to touch: : Areas of the touchscreen do not detect touches.
- Streaks, stains, or discolorations: Abnormal lines, dots, or colors appear.
- Flickering or ghosting: The image flickers or there are shadows/ghosting effects.
- Visible glass breakage: Cracks or fragments in the exterior glass.
Determining these details is essential to choosing the right solution, as not all problems require a physical screen change, and some may be due to software bugs o configuration errors.
Most common causes of screen failures
The causes behind a faulty display can be grouped into the following categories:
- Bumps and falls: They are the main source of physical damage, causing everything from cracks to failures in the display or touch function.
- Use wear: Continued use may affect performance and touch response.
- software bugs: : Faulty updates, incompatible apps, or process overload can cause the screen to become inoperable.
- Exposure to liquids or moisture: May cause short circuits and malfunctions.
- Factory factors: Assembly defects, poor components or welds.
Getting started and quick fixes for unresponsive screens
Before resorting to physical repair, there are software solutions that can solve a intermittent failure or sudden screen:
- Restart the mobile: Press and hold the power button for a few seconds until the screen turns off or restarts. If the screen doesn't respond, force it to shut down by holding the button down longer (at least 10-20 seconds).
- Remove screen protector or caseSome low-quality protectors may interfere with the touchscreen. Remove them and check if the problem persists.
- Enter safe mode: Allows you to check if the source is a third-party app. To access it, turn off your phone, then when you turn it on, press and hold the volume down button until it boots up completely. If the screen is working in safe mode, uninstall any recently installed apps.
- Diagnosis with specific apps: In the Play Store there are applications like Display tester o touch screen repair which help verify the status of the screen and improve latency.
- Factory resetAs a last resort, back up your data and restore your phone to its original state. This eliminates issues caused by corrupted settings or apps.
Advanced diagnostics and additional checks
If the above steps do not resolve the issue, you can perform a advanced diagnosis to determine whether it is a physical or logical problem:
- Check if your phone vibrates, rings, or receives notifications: If it does but the screen remains black, the display is likely faulty.
- Connect the mobile to the computerIf the PC recognizes the device and you can access the files, the problem is usually with the display, not the motherboard.
- Test with remote access: Apps like Google Find My Device or remote control solutions can help you check the device's status if the screen is unresponsive.
In scenarios of obvious physical damage (cracks, internal stains, dead zones), it is advisable do not continue forcing use to avoid injury or further damage.
Technical Tutorial: How to Physically Fix an Android Phone Screen
If you have the skills and tools, you may want to consider repairing or replacing the screen:
- Find a specific tutorial for your model: On YouTube and specialized sites like iFixIt you'll find step-by-step guides tailored to each make and model.
- Buy the right kit: Find out if your model uses an LCD, AMOLED, or if the frame and touch screen are combined. You'll usually need to purchase both the glass panel and the internal display.
- Gathers specialized tools: You will usually need precision screwdrivers, plastic picks, and a heat gun or powerful hair dryer to soften the adhesive.
- Protect your hands and eyes: Wear gloves and goggles to avoid cuts or splinters during disassembly.
- Disassemble carefullyApply heat to the edges, peel off the broken panel, and disconnect the flex cables. Install the new screen and make sure it's connected properly before closing the device.
- Test before closing completely: Before screwing and sealing, check that the new screen is working properly.
Additional precautions and tips for self-repair
- Cover the broken screen with adhesive tape to avoid cuts during handling.
- Remove the battery if possible before starting to dismantle.
- Follow the visual tutorials in detail and be patient, as the flexes and components are delicate.
- Do not force the connectors and be sure to use quality compatible parts.
If you do not feel comfortable, it is best to go to a specialized workshop or activate the insurance if your mobile phone has it.
Software solutions to improve or remedy touch failure
If the screen still shows an image but the touch screen is not fully responsive, you can apply alternative solutions while preparing for the repair:
- Use voice control: Assistants like Google Assistant allow you to send messages, make calls, and run apps without touching the screen.
- Connect a mouse via USB OTGIf your phone supports OTG, you can operate the device with a USB mouse, which is useful for backing up information before repairs.
- Touch calibration apps: Tools like touch screen repair They can recalibrate less sensitive areas, although they only solve minor software errors.
When to see a professional?
If after performing all the checks and software/hardware solutions the screen still doesn't work, consider the following professional options:
- Activate the warranty or insurance: Manufacturer repairs are the safest option if the phone is covered.
- Go to a specialized technical service: They guarantee replacement with original or quality spare parts and offer a post-repair warranty.
- Device replacementIf the repair cost is very high relative to the value of the phone, it may be worth purchasing a new or refurbished one.
- Check with your operator about possible renewal plans or discounts on new terminals.
Useful resources and self-repair platforms
Don't face repair alone: there are very useful communities and resources for both diagnosis as if to visual tutorials y purchase of spare parts:
- iFixIt: Illustrated guides, videos, and forums for hundreds of models.
- YouTube: Practical replacement and repair videos.
- Free Market, eBay and AliExpress: Platforms to find kits and spare parts tailored to your device.
Additionally, there are free apps on Google Play for display diagnostics and calibration. Remember that it's always a good idea to check reviews and ratings of spare parts and tools before purchasing them.
- Using an old mobile phone as a temporary solution while you decide on the repair.
- Install a guard over the crack If the damage is superficial, to prevent it from progressing.
- Sell or recycle the device to get a discount on the purchase of a new one.
Frequently Asked Questions About Android Phone Screens
- Does the damaged screen affect data? No, your files and apps remain intact. Only the display and/or touch function is affected.
- What do I do if I have a phone without physical buttons? You can connect an OTG mouse to operate the device and make backups.
- How much does it cost to repair the screen? It depends on the model, screen technology, and labor. Always get several quotes.
La screen Your Android phone's battery is vulnerable to daily use, so prevention is essential: protect your device with cases and protectors, and avoid exposure to drops or liquids to prolong its useful life.
This tutorial offers a comprehensive guide to identifying, diagnosing, and repairing the most common Android phone screen issues. Whether you choose to self-repair or visit a specialized repair shop, remember that information is your best ally. Feel free to leave your comments and share this content to help other users. Visit Android Guides for more solutions, tutorials, and news about Android.
