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Driver Install Failed — Spreadtrum

The most common culprit behind a Spreadtrum driver failure is . Modern versions of Windows (8, 8.1, 10, and 11) require that all kernel-mode drivers be digitally signed by Microsoft. Spreadtrum’s factory drivers, particularly those for the proprietary SP Download Tool or ResearchDownload interface, are often unsigned or use older certificates that Windows has deprecated. When a user connects a Spreadtrum device in "Download Mode" (usually via holding specific volume keys), Windows attempts to load the driver, finds no valid signature, and aborts the installation with a generic "Third-party INF does not contain digital signature information" error. To the novice, this looks like a corrupt file, when in reality, it is an operating system security feature actively blocking the installation.

A second, equally pervasive issue is . Spreadtrum devices often present themselves to the PC under various enigmatic identifiers: SPRD U2S Diag, Android Sooner Single ADB, or simply an unknown "Spreadtrum Phone" under Other Devices. The drivers required are not plug-and-play; they must be manually pointed to via Device Manager. However, Windows frequently misidentifies the device's role. For instance, a device intended to be flashed may default to a charging mode, appearing as a "CDC Serial" device rather than a "SPRD Download" port. The failure occurs when the user attempts to install the Spreadtrum driver onto the wrong device interface. Because the hardware ID (VID/PID) does not match what the driver's INF file expects, Windows refuses to associate the two, leading to a "The specified location does not contain information about your hardware" error. spreadtrum driver install failed

In the intricate world of mobile device firmware modification, repair, and data recovery, few moments are as frustrating as the "driver install failed" error. For technicians and advanced users working with devices powered by Unisoc (formerly Spreadtrum) processors, this error is a familiar and formidable gatekeeper. While Qualcomm and MediaTek devices often benefit from more streamlined driver support, Spreadtrum’s unique architecture and stringent security protocols make driver installation a notoriously delicate procedure. A failed installation is not merely a technical glitch; it is a breakdown in communication between a PC and a device that, without proper drivers, remains a brick. Understanding why these failures occur is the first step toward overcoming them. The most common culprit behind a Spreadtrum driver

Finally, play a unique role in Spreadtrum failures. Unlike MediaTek devices that use a persistent preloader, Spreadtrum’s download mode is transient. The device enters a very brief, volatile state after a reset or battery removal. If the driver installation is not perfectly aligned with this window—or if a previously failed driver left a ghost device in the registry—the installation will fail. Furthermore, older Spreadtrum drivers conflict with newer USB 3.x controllers and require specific, legacy USB 2.0 ports or even a specific USB cable. A "driver install failed" in this context is often a symptom of a timing mismatch or a hardware compatibility issue, not a problem with the driver files themselves. When a user connects a Spreadtrum device in

Resolving these failures requires a methodical, almost ritualistic approach. First, one must temporarily disable Windows Driver Signature Enforcement by restarting the PC into "Advanced Startup" or using the bcdedit /set testsigning on command. Second, installing the driver using the legacy "Add Legacy Hardware" wizard in Device Manager, manually selecting the Spreadtrum driver from the list, bypasses many automatic identification errors. Crucially, users must install the drivers before connecting the device, then connect the Spreadtrum phone in its download mode while watching Device Manager for the brief moment a "SPRD" entry appears. Finally, using a dedicated USB 2.0 hub and ensuring the phone’s battery is partially charged can eliminate power negotiation issues that lead to abrupt disconnections during driver binding.

In conclusion, a failed Spreadtrum driver installation is rarely due to a single, obvious fault. Instead, it is the product of a collision between modern operating system security, legacy hardware identification schemes, and the fleeting, unforgiving timing of the Spreadtrum boot ROM. For the uninitiated, the error is a dead end. For the experienced technician, it is a diagnostic roadmap. By understanding the roles of driver signing, interface misidentification, and state timing, one transforms a cryptic failure into a solvable puzzle—replacing frustration with the quiet satisfaction of a successful handshake between PC and phone.

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SPSS Statistics

SPSS Statistics procedure to create an "ID" variable

In this section, we explain how to create an ID variable, ID, using the Compute Variable... procedure in SPSS Statistics. The following procedure will only work when you have set up your data in wide format where you have one case per row (i.e., your Data View has the same setup as our example, as explained in the note above):

  1. Click Transform > Compute Variable... on the main menu, as shown below:

    Note: Depending on your version of SPSS Statistics, you may not have the same options under the Transform menu as shown below, but all versions of SPSS Statistics include the same compute variable menu option that you will use to create an ID variable.

    computer menu to create a new ID variable

    Published with written permission from SPSS Statistics, IBM Corporation.


    You will be presented with the Compute Variable dialogue box, as shown below:
    'recode into different variables' dialogue box displayed

    Published with written permission from SPSS Statistics, IBM Corporation.

  2. Enter the name of the ID variable you want to create into the Target Variable: box. In our example, we have called this new variable, "ID", as shown below:
    ID variable entered into Target Variable box in top left

    Published with written permission from SPSS Statistics, IBM Corporation.

  3. Click on the change button and you will be presented with the Compute Variable: Type and Label dialogue box, as shown below:
    empty 'compute variable: type and label' dialogue box

    Published with written permission from SPSS Statistics, IBM Corporation.

  4. Enter a more descriptive label for your ID variable into the Label: box in the –Label– area (e.g., "Participant ID"), as shown below:
    participant ID entered in 'compute variable: type and label' dialogue box

    Published with written permission from SPSS Statistics, IBM Corporation.

    Note: You do not have to enter a label for your new ID variable, but we prefer to make sure we know what a variable is measuring (e.g., this is especially useful if working with larger data sets with lots of variables). Therefore, we entered the label, "Participant ID", into the Label: box. This will be the label entered in the label column in the Variable View of SPSS Statistics when you complete at the steps below.

  5. Click on the continue button. You will be returned to the Compute Variable dialogue box, as shown below:
    ID variable entered

    Published with written permission from SPSS Statistics, IBM Corporation.

  6. Enter the numeric expression, $CASENUM, into the Numeric Expression: box, as shown below:
    second category - '2' and '4' - entered

    Published with written permission from SPSS Statistics, IBM Corporation.

    7. Explanation: The numeric expression, $CASENUM, instructs SPSS Statistics to add a sequential number to each row of the Data View. Therefore, the sequential numbers start at "1" in row 1, then "2" in row 2, "3" in row 3, and so forth. The sequential numbers are added to each row of data in the Data View. Therefore, since we have 100 participants in our example, the sequential numbers go from "1" in row 1 through to "100" in row 100.

    Note: Instead of typing in $CASENUM, you can click on "All" in the Function group: box, followed by "$Casenum" from the options that then appear in the Functions and Special Variables: box. Finally, click on the up arrow button. The numeric expression, $CASENUM, will appear in the Numeric Expression: box.

  7. Click on the ok button and the new ID variable, ID, will have been added to our data set, as highlighted in the Data View window below:

data view with new 'nominal' ID variable highlighted

Published with written permission from SPSS Statistics, IBM Corporation.


If you look under the ID column in the Data View above, you can see that a sequential number has been added to each row, starting with "1" in row 1, then "2" in row 2, "3" in row 3, and so forth. Since we have 100 participants in our example, the sequential numbers go from "1" in row 1 through to "100" in row 100.

Therefore, participant 1 along row 1 had a VO2max of 55.79 ml/min/kg (i.e., in the cell under the vo2max column), was 27 years old (i.e., in the cell under the age column), weighed 70.47 kg (i.e., in the cell under the weight column), had an average heart rate of 150 (i.e., in the cell under the heart rate column) and was male (i.e., in the cell under the gender column).

The new variable, ID, will also now appear in the Variable View of SPSS Statistics, as highlighted below:

variable view for new 'nominal' ID variable highlighted

Published with written permission from SPSS Statistics, IBM Corporation.


The name of the new variable, "ID" (i.e., under the name column), reflects the name you entered into the Target Variable: box of the Compute Variable dialogue box in Step 2 above. Similarly, the label of the new variable, "Participant ID" (i.e., under the label column), reflects the label you entered into the Label: box in the –Label– area in Step 4 above. You may also notice that we have made changes to the decimals, measure and role columns for our new variable, "ID". When the new variable is created, by default in SPSS Statistics the role column will be set to "2" (i.e., two decimal places), the measure will show scale and the role column will show input. We changed the number of decimal places in the decimals column from "2" to "0" because when you are creating an ID variable, this does not require any decimal places. Next, we changed the variable type from the default entered by SPSS Statistics, scale, to nominal, because our new ID variable is a nominal variable (i.e., a nominal variable) and not a continuous variable (i.e., not a scale variable). Finally, we changed the cell under the role from the default, input, to none, for the same reasons mentioned in the note above.

Referencing

Laerd Statistics (2025). Creating an "ID" variable in SPSS Statistics. Statistical tutorials and software guides. Retrieved from https://statistics.laerd.com/


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