



Spreadtrum Communications, Inc. (展讯通信有限公司 is a Chinese fabless semiconductor company which produces chipsets for Smart phones. These Spreadtrum Chips used by Companies like Maxx, Acer, Huawei, Lenovo, Micromax, Lava, Coolpad for their phones. Official Site





Message: The Spreadtrum Tab / Phone doesn’t respond to power button or only vibrates after pressing the power button or only vibrates after pressing the power button but doesn’t come on





Meaning: The OS is either corrupted or there’s no power to boot the Spreadtrum Tab / Phone

Solution:





Make Sure the battery is well charged

Re-flash the pac file

Research/Upgrade download tool does not show waiting…..instead,the Spreadtrum Tab / Phone just charges





Message: After you click start and connect the Spreadtrum Tab / Phone to the Computer, the tool doesn’t show waiting.instead,the Spreadtrum Tab / Phone begins charging or shows a charging sign.you could sometimes get the USB connection disconnection sound on the Computer











Meaning: The Spreadtrum drivers have not been properly associated with device

Solution

Launch Device manager(Right-click My computer>Select Manage)

Connect the Spreadtrum Tab / Phone to the Computer via a USB Cable,Device manager should refresh

Take note of what the Spreadtrum Tab / Phone is detected as (often as Unknown or Spreadtrum under other devices)

Right-click whatever the Spreadtrum Tab / Phone is detect as and select Update Driver Software…

Select Let me pick from a list of device drivers on my computer for driver software

Click Next

Click Have Disk

proceed with the Spreadtrum(SCiUZS) driver installation steps described at and click Yes if you get https://forum.hovatek.com/thread-827.html an Update Driver warning

progress bar stuck at waiting

Message: After clicking Start Downloading and connecting the Spreadtrum Tab / Phone,the progress bar gets stuck Waiting…

Meaning: The tools is having problems finding the Spreadtrum Tab / Phone

solution:

Make Sure the Spreadtrum Tab / Phone is switched off with a charged battery inside before connecting to Computer for flashing

Make Sure to install spreadtrum drivers before flashong ( see more)

Try using a different USB Cable, port or Computer

Try holding the volume decrease button while connecting to Computer for flashing. You could try the volume increase button also

Failed:NV data read in Spreadtrum Tab / Phone is crashed

Message:Failed:NV data read in Spreadtrum Tab / Phone is crashed

Meaning:The NV items(Calibration) are Causing a clash

Solution:

Follow this guide @ Hovatek

USB device not recognized

Message: USB device not recognized prompt at system tray after connecting the Spreadtrum Tab / Phone (often due to interruption,hardware or driver problems)

Solution:

Try a different USB Cable, port or Computer

Re-install Spreadturm drivers

Make Sure the Spreadtrum Tab / Phone is switched off before connecting to Computer for flashing (take out the battery and slot back in to be sure)

Failed:Operation failed

Message:Failed:Operation failed error during flashing

Meaning:An error was encountered during flashing

Solution:

flash one file at a time (fdl 1 & 2 are required so the third will be selected One By One from the remaining files)

Make Sure the flashing process isn’t interrupted by a shaky USB Cable/port

Try Current version of Research Download tool

Try a different pac file

Failed:download size error

Message:Failed:download size error

Meaning:There was a problem flashing a file to its assigned partition due to its size

Solution:

Flash one file at a time(fdl l & 2 are required so the third will be selected One By One from the remaining files)

Make Sure the flashing process isn’t interrupted by a shaky USB Cable/ port

Try Current version of Research Download tool

Try a different pac file

Failed:download size error

Message:Failed:download size error

Meaning: There was a problem flashing a file to its assigned partition due to its size

Solution:

Flash one file at a time(fdl 1 & 2 are requred so the third will be selected One By One the remaining files)

Try a different pac file

Use the Current version of Research Download tool or Upgrade Download tool(V r2.9.9008 and above)

Downloading failed:wait input time out/remote data too large

Message:Downloading failed:wait input time out

Meaning:A timeout was reached as a result of the flashing process taking too long

Solution:

Use the Current version of Research Download tool or Upgrade Download tool(Vr2.9.9008 and above)

Failed incompatible partition

Message:Failed incompatible partition

Meaning:There was an error flashing to certain partitions

Solution

Use the Current version of Research Download tool or Upgrade Download tool(Vr2.9.9008 and above)

Flash one item at a time(fdl 1 & 2 are contant)

Stuck at checking Bautrate

Message: Checking Bautrate

Meaning:The tool encountered an error initializing flashing

solution

Disconnect the Spreadtrum Tab / Phone from the Computer,take out the battery and slot back in

Close Research Download/Uograde download tool and relaunch

Failed:buffer error

Message:Failed:decode or verify received buffer error

Meaning:The tool encountered a problem flashing the pac file

solution:

Download the Current version of Research Download or Upgrade Download tool@ See

Failed: uart send error

Message:[Removed] Failed: uart send error

Meaning:The flashing process got interrupted

Solution

Try using a different USB Cable or port or Computer

Download the Current version of Research Download or Upgrade download tool @ See

Try flashing with Miracle Box

Make Sure to hold the Volume down button when connecting to the Computer for flashing

Try changing the Spreadtrum Tab / Phone’s USB port

The second enumeration port timeout

Message: Failed:The second enumeration port timeout

Meaning:There was an error maintaining communication to the device

solution

Try using a different USB Cable or port or Computer

Image size is over lts partition

Message: Failed: Image size is over its partition

Meaning: One or more of the files in the firmware(pac file) is too large

Solution:

Try a different firmware

Untick traditionally large partitions like system and user data

Failed: User cancel

Message: Failed: User cancel

Meaning: The flashing process was interrupted by holding or releasing the volume down button at the wrong time

Solution:

Make Sure to Press and hold the Volume down button when connecting to Computer for flashing and don’t release till flashing is complete

Failed:!!!GSM Cali in Spreadtrum Tab / Phone is not calibirated.Reseved[7]:0x00000000,[ID=0x2]

Meaning: The tool is unable to read the calibration data off the device or the device isn’t properly calibrated

Solution:

Try a different version of Research Download tool or Upgrade Download tool@ See

Failed: open port fail

Message: Failed: Open port fail

Meaning: The tool encoutered an error while communicating an with the Spreadtrum Tab / Phone

Solution:

Disconnect the Spreadtrum Tab / Phone from the Computer, take out the battery and slot back in then Make Sure to Press and hold the Volume down button when connecting to the Computer for flashing

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