In the tangle Apple Watch S3 and S4

S3 for personal use After all, there was no S4 when I bought it, haha But for me, I don't think the honeycomb is so useless, S3 is enough for me personally, and after buying it, I will find that buying a strap is the same as buying a phone case.

Apple Watch stainless steel is not easy to scratch.

And it's a little bit better to hold its value.

Four generations of multi-point.

Three generations are cost-effective.

Although the country does not have the strength to ban the purchase of American goods, but as a Chinese I feel that it is better not to have too many ** foreign goods, so that it does not have so many ** rates will naturally make him slowly disappear, in fact, now travel abroad, buy foreign products also to look at current affairs, now this time belongs to the hatred,

The Chinese meaning of cellular is:"Cellular (technology).", which is a wireless communication technology.

1. There are still many differences between Apple Watch S3 and S4, in terms of size, the size of Apple Watch S3 is 38 mm and 42 mm, while Apple Watch S4 has been upgraded to 40 mm and 44 mm. The Apple Watch S3 has a display area of 563 740 square millimeters, while the Apple Watch S4 has a display area of 759 977 square millimeters.

2. In terms of body thickness, the thickness of the Apple Watch S3 is millimeters, while the thickness of the Apple Watch S4 is as low as millimeters, which is relatively thinner.

3. In terms of processor, Apple Watch S3 uses a 32-bit dual-core S3 processor + W2 wireless chip, while Apple Watch S4 uses a 64-bit dual-core S4 processor + W4 wireless chip, and the speed is up to 2 times faster than that of the S3 processor.

4. In terms of heart rate sensor, Apple Watch S3 uses an optical heart rate sensor, while Apple Watch S4 has been upgraded to the second generation of optical heart rate sensor and added an electrode heart rate sensor.

5. In terms of digital crown, Apple WatchS3 does not support haptic feedback function, and for Apple WatchS4, it adds digital crown to support haptic feedback, not only that, but also adds a fall detection function.

6. In terms of Bluetooth, the Apple Watch S3 uses Bluetooth, and for the Apple Watch S4, it is upgraded to Bluetooth technology.

Q: Apple Watch S4S5S6 Difference :

1. Apple Watch S4:

1) Appearance: The Apple Watch S4 has a larger, thinner design, which is more beautiful and refined than the S3.

2) Performance: The Apple Watch S4 is equipped with a 64-bit dual-core processor S4, with a frequency of up to 2GHz, which runs faster and is smoother.

3) Other functions: Apple Watch S4 has added an electrocardiogram function, which can monitor heart rate changes in real time; Added a nighttime heart rate function, which can monitor heart rate changes in real time while sleeping; A new electronic fence feature has been added to help users monitor their safety when they are out and about.

2. Apple Watch S5:

1) Appearance: The appearance of the Apple Watch S5 is basically the same as that of the S4.

2) Performance: Apple Watch S5 uses a 64-bit quad-core processor S5, which has a maximum frequency and runs faster and more fluent.

3) Other functions: Apple Watch S5 has added an underwater crack base depth measurement function, which can monitor the underwater depth in real time; The new low-power GPS function can locate in real time in a low-power state; Added a visual** feature to make face-to-face calls with other Apple users.

3. Apple Watch S6:

1) Appearance: The Apple Watch S6 features a new, beautiful titanium case design.

2) Performance: Apple Watch S6 is equipped with a 64-bit six-core processor S6, with a frequency of up to 3GHz, which runs the fastest and smoothest.

3) Other functions: Apple Watch S6 has added a water resistance function, which can be used in water for a depth and time of less than 50 meters; The sports goal function has been added to help users achieve their sports goals; A new real-time weight monitoring feature has been added to monitor weight changes in real time.

Apple Watch S4: Powered by a 64-bit Apple S4 processor, it tracks your heart rate, blood oxygen, and overall health as you do your activities. It also supports electronic payments, via Apple Pay, as well as a variety of customizable straps and sports tracking features.

Apple Watch S5: Powered by a 64-bit Apple S5 processor with faster app response times and longer battery life, it can track your heart rate, blood oxygen, and overall health, and it also supports Apple Pay. With security features such as the new current processor and Face ID, the Apple Watch can optimize the font size of the display and record periodic movements, as well as a variety of customizable bands and sports tracking features.

Apple Watch S6: Powered by a 64-bit Apple S6 processor, it has a 60 percent faster app response time, tracks your heart rate, blood oxygen, and overall health, and also supports Apple Pay, with security features such as Face ID, which can optimize the display font size of the Apple Watch and record periodic exercise movements, as well as a variety of customizable bands and sports tracking features.

Summary. OK.

Yes, even the oldest models can be connected.

Does Apple Watch S4 support Apple 13.

Yes, even the oldest models can be connected.

I hope my answer helps you

You turn on the wireless connection in the settings.

It's your phone settings.

You can also reset the watch, the phone does a return to exit Apple and then reset, when activating the phone, do not log in, connect the watch directly, after the connection is successful, hit the option to unlock the iPhone, and finally log in to iCloud on the phone.

You log out of your Apple ID first.

Some netizens said that it was a system bug on both sides

The above solutions are given

Restore. Restore your phone and keep your data.

You ask the after-sales customer service.

There is software incompatibility.

You have hardware that is not compatible with the updated version.

Meaning, two cannot coexist.

Incompatible.

Apple WatchThe S3 can change the dial.

Only the Color watch face can add a text pattern.

Reliability:Instrument reliability is another important performance index pursued by instrumentation workers in chemical enterprises. Reliability and instrument maintenance are opposite, high instrument reliability means that instrument maintenance is small, on the contrary, poor instrument reliability, instrument maintenance is large.

For chemical enterprises, testing and process control lifting and starting instruments.

Most of the noisy products are installed on process pipelines, various towers, kettles, tanks, and utensils, and the continuity of chemical production, most of which are toxic, flammable and explosive environments, and these harsh conditions have added a lot of difficulties to instrument maintenance.

Second, it is related to the personal safety of instrument maintenance personnel.