BLU F91
6.8″
1080 x 2460 pixels

8GB RAM

128GB

Quad
48MP+5MP+2MP+2MP
 Chipset
Mediatek Dimensity 810

5000 mAh
18.5 Wh

 ~113 h
 ~25 h
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BLU F91 was released in 2022 and is powered by the Mediatek Dimensity 810 chipset manufactured on a 6 nm process technology. It comes with 8GB of RAM and 128GB of storage. The battery capacity is 5000 mAh and the phone is 8.9 mm thick.

BLU F91 Battery life

BLU F91 battery life can vary significantly, ranging from 12 hours and 25 minutes to 113 hours, depending on how the phone is used. The following usage profiles are relevant:

1.  Active Standby: ~113 hours

4 days and 17 hours? Really? This profile prioritizes a phone that's always reliable, perfect for emergencies or extended trips. Keep in mind, standby time will take a significant hit when you actually use the phone. Active standby time of the BLU F91 depends on using it wisely and avoiding battery-draining background apps.

2.  Light Usage Profile: ~50 hours

If you primarily use your phone for communication but have all the apps you need and use them whenever you need them, you can expect the BLU F91 to last for approximately 50 hours. That means 2 days and 2 hours.

3.  Moderate Usage Profile: ~39 hours

If you're a fan of YouTube and social media but don't have all day for it, this profile is for you. In this scenario, you can expect the phone to last for approximately 39 hours. That means 1 day and 15 hours.

4.  Heavy Usage Profile: ~25 hours

If you have high communication needs and staying informed is crucial for you, you will likely use your phone heavily. In this scenario, you can expect a battery life of approximately 25 hours. That means 1 day and 1 hours.

Within this category, there are three extreme subprofiles:

  • Continuous voice calls: ~25 hours.
  • Continuous video playback: ~16 hours and 56 minutes.
  • Continuous intense web activity: ~12 hours and 25 minutes.

It is important to note that these are just estimates, and actual battery life may vary depending on individual usage patterns and specific conditions.

Factors such as battery age, screen brightness, network signal strength, and background app activity can also impact battery life of BLU F91 phone.

Basic specifications

General specifications
Release year 2022
Networks technology GSM / HSPA / LTE / 5G (2G+3G+4G+5G)
Size (mm) 168.7 x 76.8 x 8.9 mm
Size (in) 6.64 x 3.02 x 0.35 in
Weight 209 g
Software Android 11
Screen
Screen size 6.8 inches
Screen resolution 1080 x 2460 pixels
Screen Type IPS LCD
Performance
Chipset Mediatek Dimensity 810
Architecture Octa-core (2×2.4 GHz Cortex-A76 + 6×2.0 GHz Cortex-A55)
GPU Mali-G57 MC2
Technology 6 nm process
Memory
Storage 128GB
RAM 8GB
Memory versions 128GB storage, 8GB RAM
Card microSDXC
Multimedia & Connectivity
Main Camera Quad (48MP + 5MP + 2MP + 2MP)
Front Camera Single (16 MP)
Radio FM radio
NFC Yes
Positioning GPS
USB USB Type-C 2.0, OTG
Jack 3.5mm Yes
Battery
Battery Type Non-removable Li-Po
Battery Capacity 5000 mAh
Battery Energy 18.5 Wh
Phone Power density 23.92 mAh/g weight
561.8 mAh/mm thickness
Charging 18W wired
10W wireless
Reverse wired
Battery Life Stand-by time: ~113 h
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