William

Millions of 3-year-old phones get replaced every single year because they feel "slow." And the hardware inside them is barely the problem. Not the processor. Not the RAM. Not the age of the phone. Not the brand, and not the fact that a newer model just launched. Last month I almost spent $1,100 on a new phone. Mine had started taking forever to open the camera, the keyboard stuttered when I typed, and switching between apps felt like wading through mud. I was convinced it was dying. Then a friend dragged me to see a repair technician who has handled over 3,000 phones in 12 years, mostly for friends, family, and small businesses who walk in saying the exact same sentence: "It just got slow for no reason." He took my phone, spent about 4 minutes on it, and handed it back feeling like new. Then he said something I haven't stopped thinking about: "Nobody's phone is actually slow at 3 years. What's slow is everything that's been quietly piling up underneath it since the day you bought it. Background apps, stuffed storage, a tired battery, years of clutter. None of it shows on the screen, so you blame the phone and the phone company happily lets you." He then walked me through the exact 7 things he checks, in order, every single time. None of them cost money. Most take under 2 minutes. Several of them made me feel genuinely ridiculous for how close I came to buying a new phone. Here's the full breakdown 🧵

Over 6 billion smartphones are in use worldwide. Almost every owner treats the battery the same way: plug it in overnight, panic at 15%, and buy a new phone the moment it starts dying around the 2-year mark. A battery engineer who's worked on lithium-ion packs for a decade told me: "Your phone isn't dying because it's old. It's dying because of how you charge it. Charging to 100% every night, running it down to 0%, and leaving it hot in your pocket or car are the three habits that quietly eat away at a battery's lifespan. The hardware is built to last years longer than most people ever get from it. Most of the settings that fix this are buried a few menus deep, and manufacturers don't exactly advertise them, because a worn-out battery is one of the biggest reasons people upgrade." I tested every one of these on my own phone. Here are 7 settings and habits that can add years to yours 🧵

A Tesla service technician has worked on [1,500+] cars in [5] years, from Model 3s with 30,000 miles on the clock to Model Ys that were barely two years old, from daily commuters to rideshare drivers putting 100,000 miles a year on their cars. He said the same thing happens in almost every service bay. The owner walks in nervous, expecting a huge repair bill. They've read horror stories online. They think the battery is dying or the screen is failing. But the real problem is almost always a small habit they've repeated for years without knowing it was costing them. "Teslas don't have oil changes, so people assume there's no maintenance at all. That's the mistake. The car is low maintenance, not no maintenance. Most of the repair bills I see were avoidable with five minutes of attention a month. The owners who spend the least are not the lucky ones. They're the ones who pay attention." He said most people treat their Tesla like an appliance. They drive it, plug it in, and ignore it until something breaks. They never read the manual, never check the tires, and never look at the service menu. "You bought one of the most advanced cars on the road and maintain it like a toaster. That's like buying a $1,500 laptop and never installing an update or backing up a single file." Here are the 8 mistakes he sees most often, and what he tells every owner to do instead 🧵