If you are a non-photographic professional and there are no SLR operating experience, then keep the following points in mind:
1. Understand what your camera is suitable for shooting, mobile phones generally do not look good at night, this is clear, after all, the phone is not a professional camera, if you want to shoot the moon and the stars then the estimate is not too good-looking
However, ihpone has a wide-angle lens, and it is excellent to shoot landscape architecture. Of course, shooting some characters is not a problem.
2. When you use ihpone to shoot, remember that your hands must be stable, do not shake, whether it is shooting architecture, scenery or people are trying to find a good angle
3. Learn to compose pictures. Of course, we didn’t learn professional photography, but the basic composition still needs to be understood. For example, diagonal composition means that
When shooting, the character or the item you want to highlight is placed in the center of the photo, and there is a diagonal composition.
As for what kind of composition, it depends on what it is. If you do not understand the composition at all, you can search on the Internet and learn it briefly.
4. When taking pictures, it is very important to pay attention to the light. After all, we are not professional camera crews and do not have professional lighting. Therefore, we have to use good light.
To do more with less, there is a little trick here. When you shoot, you have a slightly brighter position. If the light is normal, but you want to shoot a human face, it will have an effect.
5. Last but not least, the need to take photographs is good but late. So proper retouching is useful.
In the end, it takes a lot of electricity to take pictures.If your battery can’t keep electricity for a long time, please click this link.

1.     The first thing that is most straightforward is to check the appearance. If there are serious traces of cracking or disassembly, there is no problem with such a computer. However, there are many potential problems.

2.     Check external devices
This step is also equipped with a mouse, keyboard, and optical drive. Whether the floppy drive is usable and is easy to use, if these devices are seriously worn, it also shows that their life is not long.

3.     Check the display.
The display screen is the most expensive accessory in the notebook computer accessories, and the price of the entire notebook computer is also very large. If the display screen has traces of damage, then there is no need to consider it, because such a display screen will cause your eyes to Relatively large damage.At the same time, we must also identify the colors of the display screen, that is, regardless of the orientation from which the color on the display screen is the color of the color itself, then such a display screen is undoubtedly a better display screen and, in short, makes your eyes feel comfortable. The display is the best.

4.   Carefully check and test the laptop’s CPU, hard drive, memory components, and most of all open and personally check, the memory as much as possible to select a large memory, the most important thing is to be alert to unscrupulous businessmen use desktop CPU to replace the notebook’s original CPU, This way, if you use a computer, the system will be extremely unstable.

If  you buy a computer with only a slight problem with the battery, or if you want to replace the new battery, please refer to this link for reference.

For a long time, we have been following our own subconscious usage habits for the long life of laptop batteries. However, are the usage habits we have always followed to have a good effect on extending the use of laptop batteries?

1.     Based on usage habits, we are accustomed to fully discharge the battery before charging, but the fact shows that this approach is only applicable to the old battery, the new lithium-ion battery is not suitable for this practice, and your laptop battery It is very likely that the battery itself will be damaged by this extreme

2.       If the laptop battery you purchased is a lithium-ion battery, then you do not need to rush to recharge immediately when you just open the device, because that applies only to the old battery technology, and now the lithium-ion battery has an excellent self-calibration function, so when When you first charge your laptop, make sure the battery is low.

3.     Do not assume that your laptop will continue to charge and damage the battery after it is fully charged, because their design has been humanized. When your battery is fully charged, they will automatically power off. This design is obviously a more humane and safer design.

If your battery is not sustainable, please click on this link to see if there is a battery that fits your laptop battery model.

When your battery eventually loses its ability to hold power, repairing the battery may be more cost effective than replacing the battery.
1. First check your battery status, download Chen Xu, check the battery, and then check your computer for batteries. Run this program, then the test results will come out.
2. To empty and take out your battery
Before the computer removes the battery, all batteries must be vented. Then take it out
3 Delete the old cell
Use a utility knife to cut the plastic of the closed cell. Before removing the battery from the battery tray and disconnecting the leads, verify that the laptop battery needs to remain charged to retain any data in memory, such as resistance or fuel gauge capabilities. In these cases, you must maintain the circuit's auxiliary power while replacing the worn battery. Make sure to disconnect and reconnect the wires in the correct order. This may require the help of a voltmeter to correctly determine the positive, negative, clock, and data connections of the battery circuit.

Install new unit
Place the new battery in the tray, connect the electrical contacts and cover them with plastic. The batteries are usually held in the correct position, but if the wires are damaged when the batteries are removed, they may need to be glued in place. When soldering, it is important to avoid overheating that could damage the battery or the circuit. Reassemble the battery pack housing.

Install the battery
Determine if your battery has an on/off switch. The laptop battery cannot be opened when the circuit is grounded and may require the manufacturer to provide special codes. Verify that the polarization is correct and that you are using a compatible charger. If the battery has a different state of charge, use slow charging. Do not attempt to charge damaged cells or cells with different chemical properties. Fully charge the battery before using the laptop.

This varies depending on your usage, of course, but the average laptop battery is good for around 400 recharges (a.k.a. cycles). After that, it starts to lose its capacity to hold a charge. That's why the battery that once gave you, say, 3-4 hours' worth of runtime now peters out after just 1-2 hours

And, of course, you can also choose to replace your battery, this operation will not appear troublesome, after all, the new battery experience will be better than the repaired battery experience, if you need to replace the battery, please click this link.

Due to the rapid development of mobile phones in recent years, major mobile phone brands are constantly making new innovations every year to ensure brand competitiveness.At present, Samsung and Apple are still the most popular mobile phone brands. Secondly, China’s mobile phone brands are also closely following. These brand mobile phones affect people’s work, life, and entertainment every day.

The mobile phone is no longer used as a simple telephone tool for the battery, but it is increasingly affecting people's lives. When people travel, they need to use the mobile terminal's payment. Believe me, this is better than cash, bank cards, credit cards. It's much more convenient, less hassle than cash, and has fewer limitations than bank cards and credit cards。This really brings great convenience to people's lives. With a mobile phone, you can get everything out of the door. At least in China, today you can take your mobile phone between major cities. You can even use it. It comes to pay for subway tickets, buses, supermarkets, malls, and even street stalls.

Even a few days ago, when I was buying snacks on the street, I gave the boss a change. The boss said, “Can you pay for me on a cell phone? I am too busy and I don’t have time to change.” Look, this is the impact of mobile phones on our lives.
Today, mobile phones have really become a part of our daily lives. Whether or not to admit it, this is a fact.

Due to prolonged use, the battery life of mobile phones will be shortened. If there is a need to replace the mobile phone battery, please click this link.

The manufacturers that make your smartphone's lithium-ion battery say it'll have a lifespan of 300-500 charging cycles, according to Battery University, a leading resource for information on batteries.

Every time you plug in your phone to charge when its below 70%, it goes through a "charging cycle."

So, technically, your smartphone's battery is only designed to work properly between under a year and under a year and a half. That doesn't sound very good.

According to Battery University, your smartphone battery's capacity can reduce down from about 94-88% capacity out-of-the-box down to 84-73% after just 250 cycles. That's 10-15% in eight months. In a year, or 365 days, your battery's capacity could reduce 15-22%.

And that's not taking other factors that have a huge impact on your battery, like long exposure to heat and leaving it plugged in for a long time even when its reached 100%.

However, your smartphone battery's manufacturer is being too harsh on itself. To be fair, that estimate only really applies if you charge your phone from zero to 100% every time, which is called a full-discharge cycle.

With the assumption that most of us might not wait till our phones reach zero percent before charging it to 100%, it's likely that our phone batteries have more than the manufacturer's 300-500 charging cycle lifespan.

In fact, if you wait till your battery is down to around 25% before plugging it in, you might have closer to 2,000 to 2,500 charging cycles before your battery is permanently damaged from the harsh effects a full-discharge has on a battery.

Yet, while your smartphone battery might sustain enough charging cycles for five years, you're probably doing a lot of other things that are reducing its capacity.

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