Redmi K40 (POCO F3; Xiaomi Mi 11X in India) Redmi K40 Pro Redmi K40 Pro+ (Xiaomi Mi 11i; Xiaomi Mi 11X Pro in India) Redmi K40 Gaming (POCO F3 GT in India) Redmi K40S POCO F4
POCO F3:The Real Beast Mi 11i:The Star Performer Mi 11X/Pro:Cut Above The Best POCO F3 GT:Switch It Up! Poco F4:All the strengths
Series
Redmi K POCO F Mi
Compatible networks
2G, 3G, 4G, 4G LTE, 5G
First released
K40/Pro/Pro+: 4 March 2021; 3 years ago (2021-03-04) POCO F3: 27 March 2021; 3 years ago (2021-03-27) Mi 11i: April 2021; 3 years ago (2021-04) Mi 11X/Pro: 27 April 2021; 3 years ago (2021-04-27) K40 Gaming: 30 April 2021; 3 years ago (2021-04-30) POCO F3 GT: 23 July 2021; 2 years ago (2021-07-23) K40S: 17 March 2022; 2 years ago (2022-03-17) POCO F4: 23 June 2022; 2 years ago (2022-06-23)
Predecessor
Redmi K30 Redmi K30 Pro Redmi K30S Ultra
Successor
Redmi K50 Xiaomi 12X
Type
Phablet
Form factor
Slate
Dimensions
K40/Pro/Pro+/POCO F3: 163.7 mm × 76.4 mm × 7.8 mm (6.44 in × 3.01 in × 0.31 in)
K40 Gaming: 161.9 mm × 71.9 mm × 8.3 mm (6.37 in × 2.83 in × 0.33 in)
K40S/POCO F4: 163.2 mm × 76 mm × 7.7 mm (6.43 in × 2.99 in × 0.30 in)
Mass
K40/Pro/Pro+/POCO F3: 196 g (6.9 oz)* K40 Gaming: 205 g (7.2 oz)* K40S/POCO F4: 195 g (6.9 oz)
Operating system
Original:
K40/Pro/Pro+: MIUI 12 based on Android 11
Poco F3: MIUI 12 for POCO based on Android 11
K40 Gaming: MIUI 12.5 based on Android 11
Poco F3 GT: MIUI 12.5 for POCO based on Android 11
K40S: MIUI 13 based on Android 12
Poco F4: MIUI 13 for POCO based on Android 12
Current:
K40/Gaming/Poco F3/GT: HyperOS 1 based on Android 13
K40 Pro/Pro+/40S/Poco F4: HyperOS 1 based on Android 14
The Redmi K40 is a line of Android-based smartphones manufactured by Xiaomi and marketed under its Redmi sub-brand. There are several models, the K40, K40 Pro, K40 Pro+, K40 Gaming and K40S.[1][2][3] In the global market the Redmi K40 was launched as POCO F3[4] and the Redmi K40 Pro+ was launched as Xiaomi Mi 11i.[5] In April 2021 the Redmi K40 and K40 Pro+ were released in India as Xiaomi Mi 11X and Mi 11X Pro.[6] In July 2021 the Redmi K40 Gaming was released globally as POCO F3 GT. The Redmi K40S was released globally as POCO F4 but with improved specs.[7]
^"Xiaomi unveils Redmi K40 Pro+ with 108 MP camera and S888 chipset, K40 Pro and K40 follow". GSMArena. 25 February 2021.
^"Xiaomi Redmi K40 Pro flaunts Snapdragon 888 and a shocking price tag". Slashgear. 25 February 2021.
^"Xiaomi surprises by launching the Redmi K40 Pro Plus; Redmi K40 and Redmi K40 Pro announced too with flagship specifications". Notebookcheck. 25 February 2021.
^"Poco X3 Pro and Poco F3 debut with Snapdragon 860 and 870". GSMArena.com. Retrieved 2021-03-23.
^"Xiaomi Mi 11 Ultra brings massive camera sensors and two screens, Mi 11i also announced". GSMArena.com. Retrieved 2021-03-29.
^"Xiaomi Mi 11 Ultra, Mi 11X Series and Mi QLED TV 75 debut in India". GSMArena.com. Retrieved 2021-04-23.
^"Poco F4 5G photos leak, the phone is allegedly based on the Redmi K40S". GSMArena.com. Retrieved 2022-06-08.
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