If the phone is seriously damaged, get it backed up as quickly as you can, making sure all your photos and videos and important files are saved somewhere else just in case it dies completely and you can’t get it working again. If it’s already stopped functioning, then a professional repair is probably your best bet. Here are the solutions, in ascending order of professionalism. Finally, unless you’re already accomplished at repairing modern solid-state electronics, you probably lack the specialized tools you’ll need for the job. Luckily, iFixit sells a handy kit that includes pretty much everything you’ll need, with the possible exception of their iOpener, a tube you heat up and apply to the phone to soften its adhesives.
Increased lifetime for you Huawei or other mobile phone brands? Switching on battery saver mode automatically deactivates a lot of these battery-draining activities except when they’re being directly used. You can also check in settings under the battery options to see what’s using up the most of your battery power at any given moment. There’s lots of stuff clogging up your phone and slowing it down. Digital storage isn’t passive; it takes up processing power which, when it’s near capacity, can take away a lot of the energy that you’d prefer to be focussed on what you want your phone to be doing at any given moment. Prevent overexertion from your phone by regularly checking through and clearing out unnecessary files. You can check what’s using up your storage in settings.
After you have your phone repaired maybe it’s time to buy a better screen protection ? With easy installation methods and oleophobic coating preventing fingerprint marks and smears, Spigen screen protectors offer multiple layers of protection for when you’re out and about. As they’re also made to complement Spigen cases, it might be worth investing in a case as well if you decide to go with a Spigen protector, to ensure your phone has wrap-around protection. If you just want a screen protector, however, you can rest easy knowing your screen is being protected by tempered glass and anti-scratch material.
A folk remedy circulating online suggests a paste made from two parts baking soda to one part water can fix screens. Just make a thick paste and then use a cloth to rub it in. This should cover up the problem for a while. But this is amateur stuff, i suggest to see a professional. Read more details at iPhone repair.