What model is oppo pemm20?

oppo pemm20 is the mobile phone model of OPPO A55. OPPO A55 is a mobile phone released by OPPO on January 25, 2021. It is equipped with MediaTek Dimensity 700 octa-core 5G processor, which uses a 7-nanometer process technology and uses 2×2.2 GHz A76 6×2.0 GHz A55 8-core Architectural design, the GPU is Mali-G57MC2, the performance can meet the needs of daily use and gaming; it adopts RAM storage expansion technology to reduce memory fragmentation and increase the number of background cache APPs.

The operating environment of this tutorial: ColorOS 12 system, OPPO A557 mobile phone.

oppo pemm20 is the mobile phone model of OPPO A55.

OPPO A55 is a mobile phone released by OPPO on January 25, 2021.

OPPO A55 is equipped with MediaTek Dimensity 700 (MT6833) eight-core processor; pre-installed with ColorOS 11.1 operating system based on Android 11; rear 13-megapixel main lens, 2-megapixel macro lens, 2-megapixel portrait lens It has three cameras, supports time-lapse photography, slow motion, super text and other photo functions. It has an 8-megapixel front camera and is equipped with a 5000 mAh battery.

OPPO A55 uses a 6.5-inch LCD screen; the height is about 163.9 mm, the width is about 75.7 mm, the thickness is about 8.4 mm, and the weight is about 186 grams; it comes in three colors: light blue, rhythmic black, and temperamental gold.

Body design

OPPO A55 is equipped with an LCD screen on the front, using a five-layer vacuum coating brightening process, and a glass body It can refract the light path under different viewing angles.

The middle frame of OPPO A55 is made of plastic material. The power button on the right side integrates the side fingerprint module. The middle part is upward, just within the pressing range of the thumb, matching the mobile phone holding posture in daily life. ; The left border contains the volume up and down buttons and the SIM card. The bottom from left to right is the 3.5mm headphone jack, microphone hole, Type-C hole and speaker hole

Processor

OPPO A55 is equipped with Dimensity 700 5G processor. The chip is made of 7nm process and adopts 2×2.2 GHz A76 6×2.0 GHz A55 8-core architecture design. The GPU is Mali-G57MC2 , the performance can meet the needs of daily use and gaming; it adopts RAM storage expansion technology to reduce memory fragmentation, increase the number of background cache APPs, and reduce the load of the entire machine.

5G support

• The 5G dual carrier aggregation technology (2CC) supported by Dimensity 700 brings performance and connection stability Significant improvements in aspects can achieve higher average network speeds, increase signal coverage by more than 30%, and seamless switching between two 5G signals, providing consumers with more stable network connections.

• Dimensity 700 provides dual 5G functions to meet consumers’ needs to connect to 5G at any time. This means Dual SIM Dual Standby (DSDS) is ready to connect to 5G and exclusive VoNR services through either SIM card. VoNR brings faster call connections and enables clear-quality video and voice calls.

Imaging system

OPPO A55 uses a rear three-camera combination, which is a 13-megapixel main camera and a 2-megapixel micro camera. distance camera and a 2-megapixel portrait filter camera. In terms of main photography, the "AI scene enhancement function" can intelligently identify scenes and optimize the picture through algorithms; in terms of night photography, it uses night scene algorithms and HDR technology; while suppressing highlights, it also retains a lot of dark parts. detail. The main camera of OPPO A55 is equipped with a super-resolution algorithm, which can use multi-frame photos to reconstruct ultra-clear images with 100 million pixels. OPPO A55 supports macro shooting, multi-style portraits and other shooting methods.

Operating system

OPPO A55 is equipped with the ColorOS 11.1 operating system running based on Android 11. By targeting physical memory fragmentation, virtualization Memory fragmentation is optimized; it supports one-click flashback function, which allows the running software to be hung on the edge of the screen in a capsule form; screen sharing can make remote assistance easier, even if you are thousands of miles away, you can "hold hands" Share the same screen; support simple mode, large font size, and large icons.

Screen

OPPO A55 uses an LCD water drop screen with 16.7 million screen colors, a typical brightness of 480 nits, and a screen-to-body ratio of 89%; support With 4096 levels of brightness adjustment, the screen has a more natural and uniform brightness transition, and the dimming is more delicate in dark light environments. It supports an AI intelligent backlight system, which also brings more eye protection features.

Battery life

OPPO A55 is equipped with a 5000 mAh capacity battery and has a built-in super power saving mode.

Network

OPPO A55 supports dual-SIM dual-standby integrated dual-mode 5G, adapting to the mainstream 5G frequency bands of the three major operators , the antenna is distributed 360 degrees around the body.

Configuration Parameters

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