After several rumors and speculations, Samsung finally announced the date for its next Galaxy Unpacked event. The company is expected to unveil the Galaxy S25 series on January 22. Usually, the South Korean firm launches three versions of Galaxy S phones early each year. This year, it may have an additional variant: Galaxy S25 Slim (tentative name).

Is Galaxy S25 Slim the fourth phone in this official teaser?

Samsung published a teaser image for the Galaxy Unpacked 2025 event that will take place in San Jose, California, USA. This image shows the corners of four phones. Earlier, we thought they were just the Galaxy S25, Galaxy S25+, and the Galaxy S25 Ultra, and one of those phones may have been used twice in the teaser.

However, we now think they could be four different phones, and the fourth device could be the Galaxy S25 Slim, which has been rumored several times over the past couple of months.

The Galaxy S25 Slim could be the name of the unannounced Samsung phone with model number SM-S937B. The model numbers of all Galaxy S25 series phones are listed below.

• Galaxy S25: SM-S931B
• Galaxy S25+: SM-S936B
• Galaxy S25 Slim (?): SM-S937B
• Galaxy S25 Ultra: SM-S938B

However, this new model number (SM-S937B) hasn't been spotted in as many places as the other three model numbers. So, it is being speculated that the Galaxy S25 Slim might not be available for purchase until the second quarter of this year.

Rumored Galaxy S25 Slim specifications

The Galaxy S25 Slim is rumored to have an extremely thin design, measuring 6.xmm. It is expected to feature a 6.7-inch QHD+ Dynamic AMOLED 2x screen, the Snapdragon 8 Elite processor, 12GB RAM, a 200MP primary rear camera, a 50MP ultrawide camera, a 50MP telephoto camera with 3.5x optical zoom, and a 4,700-5,000mAh battery.

These specifications, especially for the battery and telephoto camera, sound too good to be true. However, if the information is accurate, it could be a great phone for those who don't want an S Pen or a 5x zoom camera but want a flagship chip and a big screen.

Watch our long-term review of the Galaxy S24 Ultra in the video below to learn how the phone held up after one year.

Rumors claim that Samsung wants to compete with Apple's upcoming iPhone 17 Air by launching the Galaxy S25 Slim. The iPhone 17 Air is also said to be 6.xmm thin, and it could be launched in the third quarter of this year.

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