End of story. Your phone is reset.
You’ve tried the soft reset (holding Power + Volume Up for 15 seconds—the device vibrates three times and restarts). It helped for a day. Now, the ghost in the machine has won. It is time for the ultimate solution: the Hard Reset (Factory Data Reset). How to Hard Reset SONY Xperia 1 IV
Finally, the SONY logo fades. The “Hello” screen appears. The 4K display is crisp. The refresh rate is buttery. The ghost is gone. End of story
Your SONY Xperia 1 IV was once a marvel. The 4K 120Hz display, the true optical zoom lens, the Snapdragon 8 Gen 1 hummed with potential. But lately, it has become a different beast. Apps crash before they open. The keyboard appears thirty seconds after you need it. The battery drains like a sieve, not because of the infamous SD 8 Gen 1 heat, but because some rogue background process is chewing through cycles. It helped for a day
You will now spend the next three hours logging back into everything, re-downloading apps, and muting notification channels. But for a brief, beautiful moment—as you swipe across the home screen and it responds instantly —you will remember why you bought the Xperia 1 IV in the first place.
Prologue: The Slow Death
You are now holding a phone that is clinically clean, morally neutral, and terrifyingly empty.