Mobile PhonesPublished: Jan 13, 2026, 1:15 PMUpdated: Jan 13, 2026, 1:16 PM

Checklist: SMS and WhatsApp scams that drain your battery — 3 everyday precautions

Pay attention to security without sacrificing your phone’s battery life

Cover illustration: Checklist: SMS and WhatsApp scams that drain your battery — 3 everyday precautions (Mobile phones)
By Fernanda Ribeiro
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SMS and WhatsApp scams don’t affect only security. Many of them activate background processes, trigger excessive notifications, and even install apps that drain the battery throughout the day.

With small attention and routine adjustments, it’s possible to reduce the risk while preserving your phone’s battery life, without installing anything heavy or radically changing how you use it.

1) Shortened links that trigger hidden downloads

Messages with urgent wording and shortened links are a classic. When you tap them, the page may try to download files, open invisible tabs, or redirect to fake apps.

Beyond the scam risk, this kind of action usually:

- Activates the browser in the background - Keeps the screen and mobile network awake - Consumes battery even after closing the app

How to protect yourself without spending extra energy

- Be wary of links that demand immediate action - Avoid tapping shortened URLs outside trusted conversations - If you opened one by mistake, close the browser and force-close the app

There’s no need to install heavy antivirus software just for this. Attention and proper closing already help a lot.

2) Messages asking for account verification via WhatsApp

Scams that mimic banks, stores, or WhatsApp itself ask for “data confirmation” or “security verification.” They often lead to pages that request excessive permissions.

When an app gains improper access, it can:

- Constantly sync data - Send information in the background - Increase battery consumption throughout the day

Quick adjustment that protects and saves battery

- Review app permissions in settings - Disable access to contacts, files, or location when they’re not essential - Prefer authentication within the official app, not via a received link

Fewer unnecessary permissions mean less hidden activity.

3) Scams that encourage continuous replies via SMS

Some scams encourage replying with "YES," "CONFIRM," or numbers repeatedly. This keeps the messaging app active and can generate automatic SMS exchanges.

The impact on battery appears when:

- The phone frequently searches for signal - There is constant sending and receiving of messages - Notifications keep coming nonstop

Simple habit to avoid wear and tear

- Don’t reply to suspicious messages - Block and delete the contact immediately - Enable spam filters in the messaging app

Fewer useless exchanges, less antenna use, and more battery life at the end of the day.

Quick daily checklist

- Be suspicious of urgency + link - Avoid granting permissions outside the official app - Block suspicious numbers at the first sign

These precautions don’t burden the system, don’t require extra apps, and help your phone spend energy only on what really matters.

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