Xiaomi Redmi Note 4 (S625) Review: Take Note!: Telephony, Loudspeaker, Notable Apps

By 12:45 Wed, 18 Aug 2021 Comments


The dialer and the phonebook share a single app, but two shortcuts bring you straight to the tab you need. The app has a pleasant flat see which feels somewhat fresh. It uses a tabbed interface - recents and dialer on the first and the contact list on the second.

Call recording is available - the files can be saved either on your device or on your MiCloud.

The Phonebook

The dialer may see rather familiar, but it's quite capable. Unfortunately, most of the recent smart features are only available in a few markets such as China and India.

It can automatically recognize business numbers, as well as scan contacts thanks to the Xiaomi's Caller ID database. You can also search in both Hindi and English from the T9 numpad, which is helpful. And if you live in those countries, you can utilize the integrated Yellow Pages option.

The Dialer

The Snapdragon edition of Redmi Note 4 scored Very Good in our speaker loudness test, up from the Good imprint achieved by the Helio-powered Note 4. Its sound is rich and crisp, with fine bass and high notes.

Speakerphone testVoice, dB Pink noise/ Music, dB Ringing phone, dB Overall score

Xiaomi Mi 4 62.0 62.1 66.6 Below Average

Xiaomi Redmi 4 Prime 63.1 67.3 71.3 Average

Meizu m3 note 66.5 64.6 71.7 Average

Xiaomi Redmi Note 2 66.1 66.0 76.0 Good

Xiaomi Redmi Note 4 (X20) 64.2 67.2 76.9 Good

Xiaomi Redmi Note 3 66.5 66.6 75.8 Good

Moto M 64.5 72.9 72.0 Good

Xiaomi Redmi Note 4 (S625) 67.3 70.3 81.5 Very Good

Xiaomi Mi 5s 64.2 70.0 84.9 Very Good

Meizu M5 Note 65.1 70.7 86.8 Very Good

Lenovo Vibe K5 Plus 72.8 71.3 81.9 Very Good

Meizu MX5 75.7 73.5 79.5 Excellent

Other apps

The Redmi Note 4 offers an excellent file managing app called Explorer, which lets you browse the files in its internal storage and groups them by type.


The MIUI v8 also offers a Security app. It can scan your phone for malware, manage your blacklist, manage or restrict your data usage, configure battery behavior, and free up some RAM. It can also manage the permissions of your installed apps.

The Security app also allows you to define the battery behavior of selected apps and applies restrictions only to the apps you choose.

Security app • Cleaner • Battery management • Managing a single app • Battery Saver

The Mi Remote uses the IR blaster to control anything from TVs (including the Mi TV, of course) to digital cameras. The setup process is relatively straightforward, and a handy option shares the remotes you've set up with others on the same Wireless Fidelity (Wi-Fi) network. You'd have to go through the setup only once per home, assuming everybody else uses a Xiaomi phone as well.

MiRemote app

The custom and now flat Calendar looks good, syncs with your accounts including Google, and offers Day and Month views.


There is also the standard sound recorder, flashlight, clock, and weather apps, among others, that are offered with any self-respecting Android package nowadays.

Voice recorder • Alarms • Clock • Weather

We liked the Compass app. It has clean interface, shows the magnetic directions and doubles as a level meter. If you lift the phone up, then you'll acquire a nice augmented reality view with real-time East/West/North/South overlay.

Compass • level • VR directions

The Calculator app has been updated - it now supports advanced calculations and conversions.

Finally, there is a brand-recent Notes app. It has been given recent templates, a recent look, and support for checklists.

Notes • Notes • Calculator • Conversions Menu • Conversions



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