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GSM / HSDPA Modems and Routers GSM , HSDPA , WCDMA, LTE Modems and Routers Unlock And Firmwares

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Old 07-22-2017, 22:25   #1 (permalink)
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Huawei E5577s-321 no service after firmware update


Hi
How are you?

I have Huawei E5577s-321 (Zain) unlocked

Device information before unlock and firmware update

Found modem : E5577s-321
Model : Huawei E5577 (untested)
IMEI :
Serial NR. :
Firmware : 21.200.07.02.1367
Dashboard version : WEBUI_17.100.11.03.1367_MRE5
Web UI version : WEBUI_17.100.11.03.1367_MRE5
SIM Lock status : Locked (Card Lock)
Wrong codes entered : 0 (unlock attempts left : 10)


Device information after unlock and firmware update

Found modem : E5577s-321
Model : Huawei E5577 (untested)
IMEI :
Serial NR. :
Firmware : 21.316.01.00.00
Dashboard version : WEBUI_17.100.11.00.03-Mod1.3_MRE5
Web UI version : WEBUI_17.100.11.00.03-Mod1.3_MRE5
SIM Lock status : unlocked
Wrong codes entered : 0 (unlock attempts left : 10)

The device is now unlocked but the problem it's showing no service even if I insert a supported sim card

I have found this firmware V200R001B200D07SP02C1367 with this webui V100R007B100D11SP03C1367 on the internet but i cannot find download link

Please any body have firmware and webui for this device

Sorry of my English
Thank you in advance
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Old 07-24-2017, 01:07   #2 (permalink)
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changing the firmware i believe cuse ur device to loose NVRAM data which has the IMEI stored So u need IMEI Repair ..
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Old 07-24-2017, 01:48   #3 (permalink)
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Quote:
Originally Posted by onasre View Post
changing the firmware i believe cuse ur device to loose NVRAM data which has the IMEI stored So u need IMEI Repair ..
thank you for you repley

How i can fix the nvram data
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Old 07-24-2017, 03:07   #4 (permalink)
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Quote:
Originally Posted by alaa92 View Post
thank you for you repley

How i can fix the nvram data

Hi

I have fixed the imei but the device still showing no service any help
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Old 08-20-2017, 14:17   #5 (permalink)
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I have same problem E5336Bs-2
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Old 08-28-2017, 19:35   #6 (permalink)
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try with this webui verHuawei_E5577s-Update_WEBUI_17.100.13.01.03 hopefully problem will solve if no then contact me in pm
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Old 12-21-2017, 07:46   #7 (permalink)
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you may try this webui "webui_17.100.12.02.1232".
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Old 09-23-2018, 14:31   #8 (permalink)
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Hi, i have same problem after unlock with downnrate firmware nvram deleted i write imei and sn but on 3G no service work only 4G. How it is possible repair?
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Old 09-23-2018, 14:37   #9 (permalink)
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Quote:
Originally Posted by ivoo13 View Post
Hi, i have same problem after unlock with downnrate firmware nvram deleted i write imei and sn but on 3G no service work only 4G. How it is possible repair?
can you tell me your modem operator details
which country modm and carrier
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Old 09-23-2018, 15:19   #10 (permalink)
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Before unlock Software Version: 21.316.01.00.250 Web UI Version: 17.100.13.01.250 and operator locked is Telenor Bulgaria. After unlock is same firmware:

Found modem : E5577Cs-321
Model : Huawei AuthVer 4 modem (New)
IMEI : 8677xxxxxxxxx
Serial NR. : 2XDxxxxxxxxxx
Firmware : 21.316.01.00.00
Compile date / time : Dec 15 2015 15:01:07
Hardware ver. : CL1E5573SM11
Dashboard version : WEBUI_17.100.13.01.03_MRE5
Web UI version : WEBUI_17.100.13.01.03_MRE5
SIM Lock status : unlocked
Wrong codes entered : 0 (unlock attempts left : 10)

I test with sim card on two operators (telenor, A1) but problem is same on 3G no service connect on 2G and after 5 second return to 3G and no service. On 4g working good but operators don't have full 4g coverage.
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Old 09-23-2018, 15:58   #11 (permalink)
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Quote:
Originally Posted by ivoo13 View Post
Before unlock Software Version: 21.316.01.00.250 Web UI Version: 17.100.13.01.250 and operator locked is Telenor Bulgaria. After unlock is same firmware:

Found modem : E5577Cs-321
Model : Huawei AuthVer 4 modem (New)
IMEI : 8677xxxxxxxxx
Serial NR. : 2XDxxxxxxxxxx
Firmware : 21.316.01.00.00
Compile date / time : Dec 15 2015 15:01:07
Hardware ver. : CL1E5573SM11
Dashboard version : WEBUI_17.100.13.01.03_MRE5
Web UI version : WEBUI_17.100.13.01.03_MRE5
SIM Lock status : unlocked
Wrong codes entered : 0 (unlock attempts left : 10)

I test with sim card on two operators (telenor, A1) but problem is same on 3G no service connect on 2G and after 5 second return to 3G and no service. On 4g working good but operators don't have full 4g coverage.
you need nv.bin from working same router
then update nv.bin to this router.then your problem will solve


and 3g issue because your device mac address is killed you used non safe loader
after mac address fixed your modem work as normal and all sims work

take mac address from working device and write mac on same modem
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Old 09-23-2018, 17:10   #12 (permalink)
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Ok i have another same router but what is needed to read write nv bin
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Old 09-25-2018, 02:15   #13 (permalink)
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Yes tell us how to backup and restore nv data......
Quote:
Originally Posted by ivoo13 View Post
Ok i have another same router but what is needed to read write nv bin
Sent from my Venture V8 using Tapatalk
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Old 09-25-2018, 02:30   #14 (permalink)
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Quote:
Originally Posted by pkmanii View Post
Yes tell us how to backup and restore nv data......

Sent from my Venture V8 using Tapatalk
wait i will today share firmware
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Old 09-29-2018, 08:50   #15 (permalink)
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Quote:
Originally Posted by balwinder27 View Post
you need nv.bin from working same router
then update nv.bin to this router.then your problem will solve


and 3g issue because your device mac address is killed you used non safe loader
after mac address fixed your modem work as normal and all sims work

take mac address from working device and write mac on same modem

Do you have save loader for e5577cs-321?
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