1/19/2017 new driver models for direct download:590
Tecom Er4021un 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for Tecom Er4021un
Certifications for Tecom Er4021un
5 stars for Tecom Er4021un "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 1/19/2017 Updates

All drivers on are updated on daily basis.

However, a new version of Tecom Er4021un might have been uploaded since our last site update.

Tecom Er4021un Driver Download

Windows Compatibility for Tecom Er4021un driver

Tecom Er4021un Driver Details:

Tecom Er4021un File Name:

Tecom Er4021un Driver Version: 29.4tRS

Tecom Er4021un ZIP Size: 110.kb

Manufacturer: Tecom

Tecom Er4021un was fully scanned at: 1/18/2017
Scan Status: driver download scanOK

Tecom Er4021un special revision for: Windows 8 Enterprise 32 bit, Windows Vista Home Basic 64 bit, Windows 10 32 bit, Windows 8 64 bit, Windows XP Starter Edition 64 bit, Windows XP 64-bit Edition 64 bit, Windows 7 Enterprise (Microsoft Windows NT) 64 bit, Windows XP Media Center Edition 32 bit

Tecom Er4021un Download Stats:

Driver Uploaded: 11/20/2016

Direct Downloads: 1891
Most Recent Download: 1/17/2017
Managed Downloads: 3101
Most Recent Download: 1/17/2017
Download Mirrors: 2
Current Delay: 15 Seconds
Driver License: Free to the general public

Direct Download Success Stats:

Reports Issued By 1870/1891 Users

Success Reported By 265/1870 Users

Driver Download Score66/100

Driver Installation Score61/100

Overall preformance Score60/100

Tecom Er4021un 82 Thumbs Up82Thumbs
Tecom Er4021un 18 Thumbs Down18Thumbs
Tecom Er4021un driver direct download was reported as adequate by a large percentage of our reporters, so it should be good to download and install.

Installation Manager Success Stats:

Reports Issued By 2777/3101 Users

Success Reported By 2395/2777 Users

Driver Download Score81/100

Driver Installation Score82/100

Overall preformance Score95/100

Tecom Er4021un 2368 Thumbs Up2368Thumbs
Tecom Er4021un 168 Thumbs Down168Thumbs
Tecom Er4021un driver installation manager was reported as very satisfying by a large percentage of our reporters, so it is recommended to download and install.


1. Direct Download

Select your OS and press "Download".

This option requires basic OS understanding.
Select Your Operating System, download zipped files, and then proceed to
manually install them.
Recommended if Tecom Er4021un is the only driver on your PC you wish to update.


2. Driver Installation Manager

This option requires no OS understanding.
Automatically scans your PC for the specific required version of Tecom Er4021un + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing Tecom Er4021un, or the driver installation manager, take a few minutes to send us a report:
* Only registered users can upload a report.

Don’t have a password?
Please register, and get one.

Tecom Er4021un may sometimes be at fault for other drivers ceasing to function

These are the driver scans of 2 of our recent wiki members*

*Scans were performed on computers suffering from Tecom Er4021un disfunctions.

Scan performed on 1/19/2017, Computer: Sony VPCW12S1R

Outdated or Corrupted drivers:8/22

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) ICH9M LPC Interface Controller - 2919Corrupted By Tecom Er4021un
Mice And Touchpads
Fujitsu Component touchpad/touchscreenUp To Date and Functioning
Synaptics Souris compatible PS/2Up To Date and Functioning
Logicool HID-compliant mouseOutdated
Usb Devices
Apple Apple iPod USB DriverOutdated
HTC MT65xx Android PhoneUp To Date and Functioning
Samsung SAMSUNG Mobile USB ModemUp To Date and Functioning
Sound Cards And Media Devices
Intel Intel WiDi Audio DeviceOutdated
Network Cards
Ralink 802.11bgn 1T1R Mini Card Wireless AdapterUp To Date and Functioning
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
ATI Standard Dual Channel PCI IDE ControllerUp To Date and Functioning
NEC Generic CardBus-kontrollerUp To Date and Functioning
Nokia Nokia 5230 USB Phone ParentCorrupted By Tecom Er4021un
Intel AIM 3.0 Part 01 Codec Driver CH-7009-A/CH-7011Corrupted By Tecom Er4021un
Hewlett-Packard psc 1200 (DOT4)Up To Date and Functioning
Nokia Nokia USB LCIFCorrupted By Tecom Er4021un
Cameras, Webcams And Scanners
Canon CanoScan 3200/3200FOutdated
Video Cards
ATI RADEON X600 Series Secondary (Microsoft Corporation - WDDM)Up To Date and Functioning
Input Devices
GENERIC USB Human Interface DeviceUp To Date and Functioning
Port Devices
Huawei Vodafone Mobile Broadband Secondary Port Modem (Huawei) (COM28)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 1/19/2017, Computer: Packard Bell EasyNote LM83

Outdated or Corrupted drivers:4/21

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel Mobile Intel(R) PM965/GM965/GL960 Express Processor to DRAM Controller - 2A00Corrupted By Tecom Er4021un
Mice And Touchpads
Microsoft Logitech First/Pilot Mouse+ (USB)Up To Date and Functioning
Microsoft Microsoft Serial BallPointUp To Date and Functioning
Logitech HID-compliant Optical Wheel MouseUp To Date and Functioning
Usb Devices
SMSC DFU To Date and Functioning
Samsung Gadget SerialUp To Date and Functioning
Microsoft Intel(R) 82801DB/DBM USB universell vertskontroller - 24C2Corrupted By Tecom Er4021un
Sound Cards And Media Devices
Creative Creative SB Audigy 4 (WDM)Up To Date and Functioning
Toshiba TOSHIBA USB ISDB-T and ISDB-S TV Tuner(x64)Up To Date and Functioning
Realtek Audioapparaat op de bus voor High Definition AudioUp To Date and Functioning
Network Cards
Qualcomm Atheros Qualcomm Atheros AR9002WB-1NG Wireless Network AdapterUp To Date and Functioning
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Intel SATA AHCI -vakio-ohjainCorrupted By Tecom Er4021un
Intel(R) Sensor SolutionUp To Date and Functioning
AuthenTec TouchStrip Fingerprint SensorUp To Date and Functioning
Cameras, Webcams And Scanners
Importek USB Composite DeviceCorrupted By Tecom Er4021un
Video Cards
Intel(R) 82945G Express Chipset Family (Microsoft Corporation - WDDM 1.0)Up To Date and Functioning
Input Devices
KME Dispositivo de interfaz humana USBUp To Date and Functioning
Port Devices
MediaTek MediaTek PreLoader USB VCOM Port (COM51)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
Tecom Er4021un M421.1048/22/201412/29/2016tecom_er4021un-m421.104.exe86kbGateway GM5688E, Fujitsu FMVXNN281, HP DV9304EU, IBM 265244G, Sony VGN-TT1, Sony VPCF13D4E, HP DM150A-ABM A320M, Toshiba Dynabook Satellite T30 173C/5W, HP NC699AA-ABJ a6740jp, HP GG692AA-ABZ, Toshiba SATELLITE PRO L770-149, Acer TravelMate 8481TG, HP PN239AA-ABZ, LG S1-M402E1, THEIS TH-P925/945G7MD-8KS2HV/1024/80/Profi-Towe, and more.
Tecom Er4021un I1.11.177010/19/201412/29/2016ayciyw-i1.11.1770.exe115kbFujitsu FMVFB70NT, ASUS R052CE, HP 3082, Lenovo ThinkPad X61, Panasonic CF-53AAC01FT, NEC PC-GL26ES9LE, HP KX621AA-ABT, HP FR564AA-ABF m9356.f, Packard Bell IMEDIA B6363, Acer Veriton M-480G, M&A E10IS, Gateway FX6800, HP WL325AA-ABD p6326de, Lenovo ThinkPad SL410, NEC PC-VL5707D1Y, Toshiba SATELLITE,A665, and more.
Tecom Er4021un X2076410/7/201412/28/2016tecom_er4021un-x20764.exe166kbHP HP Compaq 6910p, HP HP Compaq nc6110, Sony PCG-FX33S_BP, NEC Express5800/56Xe [N8000-672, Toshiba SATELLITE PRO L770-149, Biostar TP45 HP, Sony VGN-TZ92S, Toshiba Satellite L850-B750, Sony VGN-SZ76GN_B, MSI MS-16GN, Toshiba SATELLITE C55-A-128, MSI MS-A95311, Acer Aspire M7200, Panasonic CF-W8GWEYZNT, Compaq P2800N P170X520WC25EC, Lenovo 3000 N100 Notebook, and more.
Tecom Er4021un S31.138412/1/201412/30/2016tecom_er4021un-s31.1384.exe218kbToshiba SATALLITE A300, WIPRO WSG68125W7-0002, Sony VGN-CS31Z_Q, IBM IBM System x3400 M3 Server -[7379KFG, IBM ThinkPad R51, Intel S3420GPC, HP HP ProBook 4520s, ASUS P5QPL-VM, Panasonic CF-18KH2ZXBC, WIPRO WIV37555-1436, Panasonic CF-SX1WEUHR, NEC PC-GV296VZGL, IBM IBM eServer x3105 -[434722G, Acer Aspire M5800, Toshiba Dynabook T350/36ACS, HP EC581AA-B1U, and more.
Tecom Er4021un 61.19632/10/201512/30/2016tecom_er4021un-61.1963.exe198kbToshiba Dynabook T350/34BCS, Sony VPCEA36FG, Sony PCV-RS216, IBM 2668WGY, Compaq ProLiant ML350 G3, LG LB50-CC34ZL, Panasonic CF-53AAC28FG, Dell L550cx, Panasonic CF-W7BWAZFBE, Acer Aspire X5900, IBM BladeCenter HS22 -[7870B4U, and more.
Tecom Er4021un Y29281/2/201512/29/2016vjqylfqb-y2928.exe105kbSony VGN-FE17SP, Compaq FR664AA-ABF SR5617FR, Lenovo 7661ZRG, Acer Aspire 1825PT, THEIS TH-C346/945GZME-RH/512/80/Midi-Towe, Sony PCV-RZ211, Sony VGN-NS220TH, Panasonic CF-19KHRC62M, NEC PC-MY30VBZED, HP GX610AAR-ABA m9180f, Panasonic CF-T8EWETZAM, Sony SVS1311B4E, Panasonic CF-19KDRC66M, NEC PC-VY16AEDERFW1, Compaq GM442AA-ABA SR5125CL, Zoostorm 7010-0246A, WIPRO WIV37555-1436, IBM 818388J, and more.
Tecom Er4021un K222.1369/23/201412/30/2016tecom_er4021un-k222.136.exe92kbLG R580-UAAD6BT, LG R405-A.CPF1E1, Sony PCV-RZ104, KONTRON 886LCD-M/Flex, HP PS226AA-ABE, IBM 8141KGR, HP KC707AA-ABE, IBM ThinkPad X41, NEC PC-GV286VZAU, HP KN472AA-ACB, Toshiba Satellite 2455, Sony VPCF13QFX, and more.
Tecom Er4021un 300962/8/201512/29/2016tecom_er4021un-30096.exe33kbIBM 8183Y59, Sony VPCEB33FG, HP 310-1125uk, Gateway GT5652j, Intel WIV68805-0052, ASUS W3A, IBM System x3550 M3 -[7944PAA, NEC VERSAE3100 NN780248559, HP FK522AAR-ABA a6544f, IBM 8215WBM, IBM 818373G, and more.
Tecom Er4021un 320221/6/201512/29/2016tecom_er4021un-32022.exe126kbHP HP Pavilion 0 Notebook PC, HP HP Pavilion 11 x2 Notebook PC, Compaq EC516AA-ABH SR1519NL NL530, Lenovo ThinkPad Edge 11, HP XXX, Gateway MC7813G, Sony VGN-NW24MG, LG R560-CR20K, Fujitsu FMVNB14BR, Lenovo ThinkPad X61, NEC PC-LS150FS1TB, Toshiba Satellite C50-A491, IBM 8183DGU, Lenovo 3000 H230 10025, EMachines 98.Y2D7Z.CF0, Dell Inspiron N5040, Gateway DX4820-23, and more.
Tecom Er4021un M62391.11/1/201512/27/2016tecom_er4021un-m62391.1.exe63kbIBM Eserver xSeries 346 -[8840ECY, Gateway DX4300, HP HP Pavilion zv5000 PN467U#ABA, IBM IBM System x3350 -[4193E5G, Lenovo 3000 J200p Desktop, Acer Extensa 2900E, Compaq GS255AV-AB4 SR5211CF, Panasonic CF-30FTSAZN2, Sony VGN-FW550F, HP HP d330 uT, NEC VERSAP550 NN680209359, Supermicro C7Q67, and more.

Please Note: There are particular operating systems known to have problems with Tecom Er4021un:
  • Windows RT
  • Windows XP Media Center Edition 2005
  • Windows 8 Pro
  • Windows XP Home Edition N
  • Windows Vista Starter
  • Windows Vista Business
  • Windows 7 Service Pack 1 (Microsoft Windows NT)
  • Windows XP Starter Edition
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific Tecom Er4021un model.
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