Hidden iPhone Battery Power Boost Strength Code By pressing *3370# or #3370#, you’ll activate your phone’s “reserve battery power”. Battery life will increase by 50%.
Does the *3370# Code Boost Cell Phone Reception? Hidden iPhone Battery Power Boost Strength Code
Best Hidden iPhone Battery Boost Strength Code In 2025, an email titled “Five Things You Never Knew Your Cell Phone Could Do” went viral. It included cellular tips and tricks that can be helpful in emergencies. The “iPhone signal booster code”, “Android signal booster code”, or “Samsung signal booster code” – whatever you want to call it – peaked many people’s interest.
Hidden Battery Power / Boost Signal Strength
By pressing *3370# or #3370#, you’ll activate your phone’s “reserve battery power”. Battery life will increase by 50%. The reserve will automatically charge up the next time you change your device. Other claims state dialing the same sequence will boost cellular reception.
As mentioned, out of the 5 tips, the one that blew up the most was the secret *3370# or #3370# code. How exactly does it work and how was it misinterpreted?
What is *3370#? What Does *3370# Do?
3370 iphone secret code to boost cell signal
According to the email, the secret *3370# code is supposed to improve your phone’s battery life. So, if you ever find yourself with very low battery and without a charger at hand, simply press the *3370# keys to activate the secret battery reserve.
After pressing the keys, the phone will restart and the instrument on your device will show a 50% increase in battery. What instrument are they talking about? No clue, I’m assuming they mean the battery logo.
The secret battery reserve will automatically charge the next time your device is charged. Hidden iPhone Battery Power Boost Strength Code
The original intent of this tip was to inform people on how to improve their phone’s battery life. But, with so many people sharing the information, it evolved into an iPhone and Android code that boosts signal strength.
Can the *3370# Code Improve Battery Life?
No, pressing the *3370# keys on your Apple or Android device does not improve cell phone battery life. Hidden iPhone Battery Power Boost Strength Code iphone 16 pro max
The hidden battery claim originated from Nokia phones. Some Nokia phones had the ability to switch to a different mode after the user punched in a “secret code”. One mode enhanced voice transmission, while the other enhanced battery performance.
Pressing *3370# activated the Enhanced Full Rate Codec (EFR). EFR mode improved sound quality at the expense of shorter battery life, which is the exact opposite of the claim. Hidden iPhone Battery Power Boost Strength CodeHidden iPhone Battery Power Boost Strength Code
If the goal is to improve battery life, then you would want to enable Half Rate Codec by pressing the *#4720# keys. This mode provides about 30% more talk time on a battery charge at the expense of lower sound quality.
These codes only work on specific Nokia phones. They do not work on iPhones, Samsungs, Google Pixels, LGs, or any other iOS and Android devices. If such code did work on all devices, why would cell phone companies keep such functionality a secret? Hidden iPhone Battery Power Boost Strength Code
Can the *3370# Code Boost Cell Signal?
Pressing the *3370# keys on your iPhone or Android device does not improve your cell phone signal.
As mentioned, the code *3370# activates Enhanced Full Rate Codec on specific devices. Since users would experience better voice quality after entering the code, many assumed it was due to better signal.
The 3370 code doesn’t do anything to mitigate dropped calls, unsent texts, or spotty signal in areas with poor service.
Is 80% iPhone battery good?
How long do iPhone batteries normally last?
How do I keep my battery 100% healthy?
- Let your screen turn off sooner.
- Reduce screen brightness.
- Set the brightness to change automatically.
- Turn off keyboard sounds or vibrations.
- Restrict apps with high battery use.
- Turn on adaptive battery.
- Delete unused accounts.
- Turn on dark theme.
Hidden iPhone Battery Power Boost Strength Code
