How to scan documents on the phone Xiaomi Redmi

Smartphones are no longer just a means of communication, becoming powerful pocket offices capable of performing many tasks that previously required cumbersome equipment. Owners of Xiaomi and Redmi devices often wonder how to make the most of the built-in camera functionality to digitize paper media without installing third-party software. This is really possible, since the MIUI and HyperOS shell offers advanced tools for working with text and images right out of the box.

The process of creating a digital copy of a passport, contract or note takes literally a few seconds, if you know the right sequence of actions. You do not need to look for specialized applications in the Play Market store, which are often overloaded with advertising or require subscriptions. In this article, we will discuss in detail the standard scanning methods available on your device, and also consider the nuances of customization for obtaining the perfect result.

The quality of the final file is directly dependent on the lighting and correctness of the chosen shooting mode, which many users forget. Understanding the technical features of the image processing algorithms in Xiaomi smartphones will allow you to get clear, readable copies even in low light conditions. Let's move on to the practical part and find out which tools are best suited for your purposes.

Use of the built-in Camera and Mi Scan app

The fastest and most affordable way to turn a paper document into a digital format is to use the standard Camera app, which is already optimized for the hardware of your device. In recent firmware versions, the company has implemented a smart module called Mi Scan, which automatically recognizes the boundaries of the sheet and aligns the perspective, so you don't have to manually crop the image or worry about the image being skewed.

To activate this mode, you just have to open the camera app and find the tab "More" or "More" in the bottom menu. Among the many shooting scenarios, you are interested in "Documents" or "Scanner." After selecting this mode, a special frame will appear on the screen that highlights the boundaries of the paper, helping to place the phone parallel to the surface, and the algorithm will take the picture itself when the device is held flat.

Special attention should be paid to the resolution and save format settings, which can vary depending on the shell version. If you are scanning text for later recognition (OCR), make sure that you have a readability improvement option that increases the contrast of black text on a white background.

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Use Documents mode only in good light to avoid yellow hues on the white background of the paper.

Once you've taken a picture, the system will prompt you to save it to a gallery or send it to the cloud immediately. The document type automatically allows the system to choose the best filters for checks, remove the color background for checks, and save the color reproduction for photos, making the process as simple as possible for the user, without requiring deep technical knowledge.

Scanning through Google Drive and third-party services

If you don't have built-in tools for some reason or need more flexibility in settings, a great solution is to use the Google Drive app, which is pre-installed on most Android devices. This method is good because the file is immediately stored in the cloud, taking up minimal space on the internal storage of the smartphone. In addition, Google offers powerful text recognition algorithms that often work more accurately than the regular ones.

To scan a document through this service, you need to open the application, click on the button to add a new file (usually this is a plus in the corner of the screen) and select the item β€œScan”. The camera will open in a special mode where you can take a picture, and then add additional pages if necessary, creating a single multi-page camera. PDF-This is especially useful when digitizing contracts or methodologies consisting of many sheets.

The advantage of using the Google ecosystem is that it's cross-platform: a scanned document will be instantly accessible from any other device, be it a tablet, a computer or another phone, you won't have to toss files over a cable or messengers, losing quality. Just log in to your account to access the archive of documents.

  • πŸ“„ Automatic creation PDF-files from multiple images without the need for converters.
  • ☁️ Instant sync with the cloud protects data from loss in case of breakage or theft of a smartphone.
  • πŸ” Built-in text recognition allows you to search for keywords inside scanned images.
  • βš™οΈ Flexible compression and color reproduction settings to optimize file size.

It's worth noting that some advanced features, such as text search inside images, may require an active Internet connection, and only basic geometry correction is handled locally on the device, whereas complex content analysis takes place on the company's servers, which ensures high speeds even on the less powerful Redmi series models.

πŸ“Š What kind of scanner do you use more often?
Xiaomi's built-in camera
Google Drive
Third-party applications (CamScanner)
Other

Step-by-step: creating a high-quality scan

To get a result comparable to the work of a professional office scanner, you need to follow a certain sequence of actions. Negligence during the shooting stage can lead to the fact that the document will have to be reworked, wasting time and nerves. Below is a detailed guide to help you avoid common errors.

β˜‘οΈ Checklist of the perfect scan

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Start by preparing the surface: put the document on a flat table, preferably dark in color, so that the boundaries of the sheet are clearly distinguished for the camera algorithms. Wipe the camera lens with a soft cloth, because even discreet fingerprints can create a soap effect and make small letters unreadable. Turn on the camera settings grid to place the phone strictly parallel to the sheet of paper.

Point the camera at the document and wait for the system to focus. If the autofocus is walking, tap the text area screen to capture the focal length. Press the shutter button, trying not to shake your hand at this point. If you use Xiaomi's regular scanner, it can take a picture automatically once it captures a clear image.

⚠️ Warning: Never use digital zoom when scanning documents, as this leads to loss of detail and digital noise.

After shooting, be sure to zoom in to make sure the edges of the document are uneven, use the built-in editor to manually adjust the angles of the cropping. Save the file in the desired format, choosing the optimal quality that balances between clarity and file size.

ParameterRecommended valueImpact on outcome
PermissionHigh (12 MP and above)Maximum clarity of small letters
FormatPDF (for text), JPG (for photo)Convenience of storage and transmission
LightingDaytime or bright artificialNo noise or shadow
StabilizationOn or tripodSharp image without lubrication

Configure the quality parameters and file format

Deeply customizing scanning options allows you to tailor the process to specific needs, whether it’s archiving old photos or creating a working copy of your passport. In Xiaomi and Redmi devices, these settings can be hidden in additional menus or accessed via.long-press on the mode icon. Understanding how compression and color reproduction work will help you save space without loss of quality.

When scanning text documents, it is recommended to choose a black and white mode or Document mode, which removes color noise and makes the background perfectly white. This significantly reduces the weight of the file and improves readability when printing. However, if the document has color stamps, captions or photos, you need to switch to color mode to save all the important visual information.

The file format plays a key role in future compatibility. The universal standard for documents is PDF, which ensures that the layout does not β€œgo” on another device. Images in JPG or PNG format are better used for single pages that are planned to be sent via instant messengers or published on social networks, where download speed is important.

What is the difference between JPG and PNG when scanning?
JPG uses lossy compression, which can create artifacts around text, but gives a small file size.PNG retains lossless quality, is perfect for graphics and text with clear boundaries, but weighs more.