I recommend you to buy the Hongmi K50 E-sports version: this mobile phone is equipped with a powerful Tianji 8100 processor and a large memory of 12GB, which can easily handle most games. It also has a high refresh rate screen and excellent cooling system, which can provide a smooth gaming experience. Although the price is slightly higher than your budget, it is a high cost performance mobile phone.

Choose famous brands: there are many brands of reversing camera and tachograph integrated machine in the market. It is recommended to choose famous brands, such as 360, Xiaomi, Huawei, etc. The quality of these brands is relatively reliable and the after-sales service is relatively good.

2. The vivo X100 series, vivo X100 or X100 Pro are all good choices. They are equipped with high-performance processors and large memory combinations, such as the 12GB+256GB configuration, suitable for users with certain performance requirements.

In general, based on the configuration information you provided, you should get a good experience when running battlefield series games in this configuration. But to ensure the best effect, it is recommended to pay attention to the hardware temperature and the number of frames in the game in real time when playing the game.

You can try using version history or recovery software to retrieve the document content. The version history can be found in Word, and the recovery software can use free open source software such as EaseUS Data Recovery Wizard.

I recommend you to buy this Zhenggou V8: the price is 529 yuan, with 4K 60fps video quality and 48 million pixel Sony ultra clear lens. The anti shake function of the six axis gyroscope can well avoid the virtual film caused by the unstable hand holding. In addition, it is also equipped with a professional waterproof shell, which can reach 60 meters, and has a dedicated APP for intelligent editing.

If you need a mobile phone with strong performance and excellent photo taking effect, you can consider Xiaomi 14; If you prefer Apple brand and have sufficient budget, you can choose iPhone 15; If the budget is relatively limited and there are certain requirements for photography and performance, the iPhone 14 is also a good choice.

The choice of M3 or R3 depends on your needs and budget. If you need higher resolution and more powerful auto focus function, and do not mind the higher price, M3 may be a better choice. If you need a faster burst speed and a higher ISO range, and the budget is limited, R3 may be more suitable for you.

Although theoretically, G41 motherboard can be installed with E5 2620 or V2 CPU, many factors need to be considered in actual operation, including slot type, memory support and chipset compatibility.

You can consider Xiaomi's Redmi series or Mi series, many of which can meet your needs. You can consider the glorious Play series or V series, which have a good performance in the game. You can consider vivo's S series or X series, some of which can meet your needs.