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[GUIDE][UPDATED] Unlocking JioFi 3 JMR540 & JMR541 for all networks

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cooldvaz

Member
Jan 28, 2008
37
0
India
thank a ton to the developer and everyone associated in helping this build .....it just gave life to my jio device which i rendered useless as i didnt want an jio sim anymore and started using airtel sim on it.....
 

spydude99

New member
Jan 14, 2014
3
0
Thanks a lot, unlocked my Jiofi JMR540 successfully, working with Airtel & VI sim but my BSNL 4G sim is not working, has anybody able to connect with bsnl sim?
 

Avi156hata

New member
Jan 9, 2018
3
0
Unlocked Firmware for JioFi 3 JMR540 & JMR541

Disclaimer
I am not responsible for any kind of damage to your device.
Use this firmware at your own risk
Post is for educational purpose only.


ONLY FOR JMR 540 & JMR 541


I was able to dump and reverse engineer JioFi 3's firmware to see if I can unlock the SIM restrictions. JioFi 3 is designed by Foxconn it uses generic firmware. Unlocking took time though. Tested with Vi, Airtel.



Guide

Make sure you're on same firmware version
  • JMR 540 - FXN_JMR540_R6.16
  • JMR 541 - FXN_JMR541_R3.10
If not please use the device for sometime it'll autoupdate.


1. Locate your device model and download the respective Firmware and extract it to a known location


2. Install drivers and tools (skip if already installed)

  • Install Fastboot drivers ( google it for mac and linux it's easy to find)
  • Install Fastboot ( google it for mac and linux it's easy to find)

3. Prepare device

  • Remove battery from JioFi 3
  • Locate reset pin hole button
  • Lay down JioFi 3
  • Use Paper Clip / SIM Ejector Tool to press button inside (using sharp object is not recommended)
  • Keep pressing button down and insert USB cable
  • Release button as soon as all the LEDs in Display turns RED. This means device is in boot loader mode

4. Flashing Unlocked Firmware

  • Open adb and fastboot tools terminal
  • Enter following to check if device is connected

  • fastboot devices

  • It will return something like this
  • baxxxxx fastboot

  • This means device is connected. If your device doesn't show up here please check drivers in Device manager
  • Now first erase the system partition

  • fastboot erase system

  • It will return something like this
  • erasing 'system'... OKAY [ 1.104s] finished. total time: 1.105s

  • Now flash the firmware
  • fastboot flash system "D:\system.img" ( replace path )

  • It should return something like this
  • sending 'system' (34306 KB)... OKAY [ 1.276s] writing 'system'... OKAY [ 9.462s] finished. total time: 10.741s

  • Now send reboot command to device
  • fastboot reboot

  • You'll notice device will reboot normally now you can unplug the cable.

Congratulations your device is now unlocked and you can reinsert battery and another SIM for testing.

Firmware will take long time than usual to boot do not panic.

4. Changing APN
  • Insert SIM connect with JioFi 3 wait it to intialize
  • Open Web UI from browser (http://jiofi.local.html/)
  • Now login (default username/pwd is administrator/administrator)
  • In Network Tab you'll find setting for changing APN
  • Put it on manual and enter "internet" as APN (without quotes)
  • Hit apply/save device will reboot again automatically and it'll auto connect
  • Just wait patience is the key here it'll connect.

If something goes WRONG or you want to UNDO you can re flash original firmware which is provided in this post.


Original backup




FAQs

  1. Q. My device is not visible in fastboot devices
    A. Confirm driver installation a faulty cable can also be the issue.
    .
  2. Q. Everything went well but still no changes in dashboard
    A. After successful flash if you still don't see the changes your device is probably booting from recovery partition. Try flashing recovery partition by
    fastboot erase recoveryfs
    fastboot flash recoveryfs "D:\system.img"
    .


  3. Q. After resetting device from pin hole button it shows INVALID SIM.
    A. This is supposed to happen just reboot the device it'll work again.
    .
  4. Q. Can I undo all this and get back to original firmware
    A. Yes just flash the original firmware provided in post and reset the device.







Mentions:
Thanks to
Karuppusamy for testing it on JMR541.


What about JioFi 2, 4, 5, 6?
Reverse Engineering takes lot of time and coffee. Until I get physical access to device I won't be able to unlock it. I'm constantly searching them on OLX as soon as I get hands on I'll surely try to RE and unlock it. I'll update the same here if there is no update here at the time of your reading then I haven't got the device yet so please don't spam for update hope you understand that I don't get anything by doing these things, I do it for liberation of locked hardware to meet it's real destiny and of course for the people. I also have a day job so no I cannot guide or teach you, hope you understand why.


 

Avi156hata

New member
Jan 9, 2018
3
0
Hi, i just read ur article on unlocking jiofi 3 and that looked amazing.But i have a jiofi JMR815 and have been looking for help to unlock it from a couple of years.But till date only your post looks promising and i ask yourhelp in helping me unlock my JioFi JMR815.Kindly consider helping me.Also i created an account in XDA just to ask your help

View attachment 5327245

View attachment 5327247

View attachment 5327249
View attachment 5327251
Unlocked Firmware for JioFi 3 JMR540 & JMR541

Disclaimer
I am not responsible for any kind of damage to your device.
Use this firmware at your own risk
Post is for educational purpose only.


ONLY FOR JMR 540 & JMR 541


I was able to dump and reverse engineer JioFi 3's firmware to see if I can unlock the SIM restrictions. JioFi 3 is designed by Foxconn it uses generic firmware. Unlocking took time though. Tested with Vi, Airtel.



Guide

Make sure you're on same firmware version
  • JMR 540 - FXN_JMR540_R6.16
  • JMR 541 - FXN_JMR541_R3.10
If not please use the device for sometime it'll autoupdate.


1. Locate your device model and download the respective Firmware and extract it to a known location


2. Install drivers and tools (skip if already installed)

  • Install Fastboot drivers ( google it for mac and linux it's easy to find)
  • Install Fastboot ( google it for mac and linux it's easy to find)

3. Prepare device

  • Remove battery from JioFi 3
  • Locate reset pin hole button
  • Lay down JioFi 3
  • Use Paper Clip / SIM Ejector Tool to press button inside (using sharp object is not recommended)
  • Keep pressing button down and insert USB cable
  • Release button as soon as all the LEDs in Display turns RED. This means device is in boot loader mode

4. Flashing Unlocked Firmware

  • Open adb and fastboot tools terminal
  • Enter following to check if device is connected

  • fastboot devices

  • It will return something like this
  • baxxxxx fastboot

  • This means device is connected. If your device doesn't show up here please check drivers in Device manager
  • Now first erase the system partition

  • fastboot erase system

  • It will return something like this
  • erasing 'system'... OKAY [ 1.104s] finished. total time: 1.105s

  • Now flash the firmware
  • fastboot flash system "D:\system.img" ( replace path )

  • It should return something like this
  • sending 'system' (34306 KB)... OKAY [ 1.276s] writing 'system'... OKAY [ 9.462s] finished. total time: 10.741s

  • Now send reboot command to device
  • fastboot reboot

  • You'll notice device will reboot normally now you can unplug the cable.

Congratulations your device is now unlocked and you can reinsert battery and another SIM for testing.

Firmware will take long time than usual to boot do not panic.

4. Changing APN
  • Insert SIM connect with JioFi 3 wait it to intialize
  • Open Web UI from browser (http://jiofi.local.html/)
  • Now login (default username/pwd is administrator/administrator)
  • In Network Tab you'll find setting for changing APN
  • Put it on manual and enter "internet" as APN (without quotes)
  • Hit apply/save device will reboot again automatically and it'll auto connect
  • Just wait patience is the key here it'll connect.

If something goes WRONG or you want to UNDO you can re flash original firmware which is provided in this post.


Original backup




FAQs

  1. Q. My device is not visible in fastboot devices
    A. Confirm driver installation a faulty cable can also be the issue.
    .
  2. Q. Everything went well but still no changes in dashboard
    A. After successful flash if you still don't see the changes your device is probably booting from recovery partition. Try flashing recovery partition by
    fastboot erase recoveryfs
    fastboot flash recoveryfs "D:\system.img"
    .


  3. Q. After resetting device from pin hole button it shows INVALID SIM.
    A. This is supposed to happen just reboot the device it'll work again.
    .
  4. Q. Can I undo all this and get back to original firmware
    A. Yes just flash the original firmware provided in post and reset the device.







Mentions:
Thanks to
Karuppusamy for testing it on JMR541.


What about JioFi 2, 4, 5, 6?
Reverse Engineering takes lot of time and coffee. Until I get physical access to device I won't be able to unlock it. I'm constantly searching them on OLX as soon as I get hands on I'll surely try to RE and unlock it. I'll update the same here if there is no update here at the time of your reading then I haven't got the device yet so please don't spam for update hope you understand that I don't get anything by doing these things, I do it for liberation of locked hardware to meet it's real destiny and of course for the people. I also have a day job so no I cannot guide or teach you, hope you understand why.



Please provide firmware of jiofi M2S
 

Anjith2

New member
Apr 28, 2018
2
0
nic work bro keep it up.Can you please make a modded firmware for jiofi JMR1040. Thanks in advance. How can we download the original firmware from the device? Please reply.
 

hell.astronom

New member
Oct 7, 2019
1
0
Unlocked Firmware for JioFi 3 JMR540 & JMR541

Disclaimer
I am not responsible for any kind of damage to your device.
Use this firmware at your own risk
Post is for educational purpose only.


ONLY FOR JMR 540 & JMR 541


I was able to dump and reverse engineer JioFi 3's firmware to see if I can unlock the SIM restrictions. JioFi 3 is designed by Foxconn it uses generic firmware. Unlocking took time though. Tested with Vi, Airtel.



Guide

Make sure you're on same firmware version
  • JMR 540 - FXN_JMR540_R6.16
  • JMR 541 - FXN_JMR541_R3.10
If not please use the device for sometime it'll autoupdate.


1. Locate your device model and download the respective Firmware and extract it to a known location


2. Install drivers and tools (skip if already installed)

  • Install Fastboot drivers ( google it for mac and linux it's easy to find)
  • Install Fastboot ( google it for mac and linux it's easy to find)

3. Prepare device

  • Remove battery from JioFi 3
  • Locate reset pin hole button
  • Lay down JioFi 3
  • Use Paper Clip / SIM Ejector Tool to press button inside (using sharp object is not recommended)
  • Keep pressing button down and insert USB cable
  • Release button as soon as all the LEDs in Display turns RED. This means device is in boot loader mode

4. Flashing Unlocked Firmware

  • Open adb and fastboot tools terminal
  • Enter following to check if device is connected

  • fastboot devices

  • It will return something like this
  • baxxxxx fastboot

  • This means device is connected. If your device doesn't show up here please check drivers in Device manager
  • Now first erase the system partition

  • fastboot erase system

  • It will return something like this
  • erasing 'system'... OKAY [ 1.104s] finished. total time: 1.105s

  • Now flash the firmware
  • fastboot flash system "D:\system.img" ( replace path )

  • It should return something like this
  • sending 'system' (34306 KB)... OKAY [ 1.276s] writing 'system'... OKAY [ 9.462s] finished. total time: 10.741s

  • Now send reboot command to device
  • fastboot reboot

  • You'll notice device will reboot normally now you can unplug the cable.

Congratulations your device is now unlocked and you can reinsert battery and another SIM for testing.

Firmware will take long time than usual to boot do not panic.

4. Changing APN
  • Insert SIM connect with JioFi 3 wait it to intialize
  • Open Web UI from browser (http://jiofi.local.html/)
  • Now login (default username/pwd is administrator/administrator)
  • In Network Tab you'll find setting for changing APN
  • Put it on manual and enter "internet" as APN (without quotes)
  • Hit apply/save device will reboot again automatically and it'll auto connect
  • Just wait patience is the key here it'll connect.

If something goes WRONG or you want to UNDO you can re flash original firmware which is provided in this post.


Original backup




FAQs

  1. Q. My device is not visible in fastboot devices
    A. Confirm driver installation a faulty cable can also be the issue.
    .
  2. Q. Everything went well but still no changes in dashboard
    A. After successful flash if you still don't see the changes your device is probably booting from recovery partition. Try flashing recovery partition by
    fastboot erase recoveryfs
    fastboot flash recoveryfs "D:\system.img"
    .


  3. Q. After resetting device from pin hole button it shows INVALID SIM.
    A. This is supposed to happen just reboot the device it'll work again.
    .
  4. Q. Can I undo all this and get back to original firmware
    A. Yes just flash the original firmware provided in post and reset the device.







Mentions:
Thanks to
Karuppusamy for testing it on JMR541.


What about JioFi 2, 4, 5, 6?
Reverse Engineering takes lot of time and coffee. Until I get physical access to device I won't be able to unlock it. I'm constantly searching them on OLX as soon as I get hands on I'll surely try to RE and unlock it. I'll update the same here if there is no update here at the time of your reading then I haven't got the device yet so please don't spam for update hope you understand that I don't get anything by doing these things, I do it for liberation of locked hardware to meet it's real destiny and of course for the people. I also have a day job so no I cannot guide or teach you, hope you understand why.



thank you...I was looking for this since last 2 years. finally..you saved me. I was about to throw away my JioFi.
 

Attachments

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Waishshaikh

Member
Jan 21, 2016
5
2
After successfully finishing all the flashing steps (FAQ 2 as well) and APN configuration.
My Airtel and JIO sim is working perfectly, but I need to run Vi sim. But unfortunately, Vi sim is not getting signal (still red not getting turn into green). Please resolve this issue ASAP.
Model JMR540
Network Vi
 
Last edited:

Waishshaikh

Member
Jan 21, 2016
5
2
Thanks a lot, unlocked my Jiofi JMR540 successfully, working with Airtel & VI sim but my BSNL 4G sim is not working, has anybody able to connect with bsnl sim?
Airtel sim is working perfectly but Vi sim is not working as the signal icon is still red (not turning green as in the case of Airtel sim).
Model no. JMR540
What is your model no.
Please help me.
 
Last edited:

MaunModi

Senior Member
Jan 23, 2016
92
13
What a good news with a hope! Thanks a ton to the developer whom shown the way forward to millions of users & hit hard the brand's doing monopoly in business.

I have "JioFi JDR740 (Dongle) 150Mbps Wireless 4G Portable Router". I'm sure one day the firmware for this will also come. Fingers crossed.
 
Last edited:

Waishshaikh

Member
Jan 21, 2016
5
2
Thanks a lot, unlocked my Jiofi JMR540 successfully, working with Airtel & VI sim but my BSNL 4G sim is not working, has anybody able to connect with bsnl sim?
Can u help me I'm having trouble with Vi sim connection but Airtel is working perfectly. But i want to run Vi. My model is same as yours(JMR540). Please help me step by step.
THANKS IN ADVANCE
 

subhash_india

Member
Jul 1, 2021
22
3
please do something for jiofi2 m2s also..
Steps to backup firmware by hardware hacking method :

1 Open device (jiofi m2s) to find tx rx gnd pins.
2.use "UART to USB" pcb to connect pins to pc ( revers connect tx rx pins )
3 get root shell access !
4 enable adb , backup stock firmware
5 modify stock firmware to unlocked firmware
6 flash unlocked firmware
7 enjoy all network
 

subhash_india

Member
Jul 1, 2021
22
3
Please provide firmware of jiofi M2S
Steps to backup firmware by hardware hacking method :

1 Open device (jiofi m2s) to find tx rx gnd pins.
2.use "UART to USB" pcb to connect pins to pc ( revers connect tx rx pins )
3 get root shell access !
4 enable adb , backup stock firmware
5 modify stock firmware to unlocked firmware
6 flash unlocked firmware
7 enjoy all network
 

Top Liked Posts

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  • 1
    Please tell me the whole process of shell access
    You're not follwing the thread, the sole purpose of this 'unlocking simlock' was only to unlock the simlock, not modifying 'Jio4G Voice Call APK' app modification (lol) and making it available for vodafone and airtel and bsnl and all the other networks, or getting shell access and changing it's bandwith or using it as a wifi extender or attaching a camera and using it as CCTV camera and etc etc.
    Yes, all those things (except modifying jiocall apk) are possible (as the developer said) but somebody needs to work on those things to make it work but clearly he said he has no time for all of these and he's not getting anything out of this. So, as of now your only option to use it as a unlocked 4G Hotspot and nothing else.
    1
    HI one question About a month ago my modem was automatically upgraded to the hacked firmware but unfortunately I accidentally selected "restore to original firmware" option and it reverted back to the original locked firmware.
    How can I change the firmware back to the hacked version? If I wait will it be upgrade itself to the hacked firmware?
    No you have to flash modified firmware again, but before that check your current FW version if it is 3.20 then you cannot flash modified FW
    1
    my device is not even getting detected in the fastboot menu
    Use google platform tools. Download from Here. Extract it to D drive and copy extracted location path.
    Add this path in Environment Variable -> System variable ->Path.
    Then it will detect in fastboot.
    Always open CMD from Platform tools folder.
    1
    please

    FAQs 6

    1. Q. FAILED: (remote: Image is locked) issue while erasing/flashing image

    2. A. Jio recently pushed an firmware update which re-locks simlock and bootloader which basically means you can't flash unsigned/custom firmware. Currently there is no fix.
    1
    please

    FAQs 6

    1. Q. FAILED: (remote: Image is locked) issue while erasing/flashing image

    2. A. Jio recently pushed an firmware update which re-locks simlock and bootloader which basically means you can't flash unsigned/custom firmware. Currently there is no fix.
    I think your JMR541 has been updated to 3.16. 😢😢
    AS OP @abhimortal6 mentioned in 1st post that default firmware version was quoted below
    Make sure you're on same or lower firmware version

    • JMR 540 - FXN_JMR540_R6.16
    • JMR 541 - FXN_JMR541_R3.10
  • 40
    Unlocked Firmware for JioFi 3 JMR540 & JMR541

    Disclaimer
    I am not responsible for any kind of damage to your device.
    Use this firmware at your own risk
    Post is for educational purpose only.


    ONLY FOR JMR 540 & JMR 541


    I was able to dump and reverse engineer JioFi 3's firmware to see if I can unlock the SIM restrictions. JioFi 3 is designed by Foxconn it uses generic firmware. Unlocking took time though. Tested with Vi, Airtel.

    UPDATE 17-10-21: Jio pushed a firmware update which is locking boot loader. If your device is not updated yet it is advised to re-flash your firmware with patched image given below which basically disables auto updates. If you're already locked out, currently there's no easy fix for that.

    If you haven't used your device from a long time or you're still on lower or equal version than below it is advised not to use JioFi with SIM, flash this firmware first if you want to test SIM unlock.




    Guide

    Make sure you're on same or lower firmware version
    • JMR 540 - FXN_JMR540_R6.16
    • JMR 541 - FXN_JMR541_R3.10
    If not please use the device for sometime it'll autoupdate.


    1. Locate your device model and download the respective Firmware and extract it to a known location


    2. Install drivers and tools (skip if already installed)

    • Install Fastboot drivers ( google it for mac and linux it's easy to find)
    • Install Fastboot ( google it for mac and linux it's easy to find)

    3. Prepare device

    • Remove battery from JioFi 3
    • Locate reset pin hole button
    • Lay down JioFi 3
    • Use Paper Clip / SIM Ejector Tool to press button inside (using sharp object is not recommended)
    • Keep pressing button down and insert USB cable
    • Release button as soon as all the LEDs in Display turns RED. This means device is in boot loader mode

    4. Flashing Unlocked Firmware

    • Open adb and fastboot tools terminal
    • Enter following to check if device is connected

    • fastboot devices

    • It will return something like this
    • baxxxxx fastboot

    • This means device is connected. If your device doesn't show up here please check drivers in Device manager
    • Now first erase the system partition

    • fastboot erase system

    • It will return something like this
    • erasing 'system'... OKAY [ 1.104s] finished. total time: 1.105s

    • Now flash the firmware
    • fastboot flash system "D:\system.img" ( replace path )

    • It should return something like this
    • sending 'system' (34306 KB)... OKAY [ 1.276s] writing 'system'... OKAY [ 9.462s] finished. total time: 10.741s

    • Now send reboot command to device
    • fastboot reboot

    • You'll notice device will reboot normally now you can unplug the cable.

    Congratulations your device is now unlocked and you can reinsert battery and another SIM for testing.

    Firmware will take long time than usual to boot do not panic.

    4. Changing APN
    • Insert SIM connect with JioFi 3 wait it to intialize
    • Open Web UI from browser (http://jiofi.local.html/)
    • Now login (default username/pwd is administrator/administrator)
    • In Network Tab you'll find setting for changing APN
    • Put it on manual and enter "internet" as APN (without quotes)
    • Hit apply/save device will reboot again automatically and it'll auto connect
    • Just wait patience is the key here it'll connect.

    If something goes WRONG or you want to UNDO you can re flash original firmware which is provided in this post.


    Original backup




    FAQs

    1. Q. My device is not visible in fastboot devices
      A. Confirm driver installation a faulty cable can also be the issue.
      .
    2. Q. Everything went well but still no changes in dashboard
      A. After successful flash if you still don't see the changes your device is probably booting from recovery partition. Try flashing recovery partition by
      fastboot erase recoveryfs
      fastboot flash recoveryfs "D:\system.img"
      .


    3. Q. After resetting device from pin hole button it shows INVALID SIM.
      A. This is supposed to happen just reboot the device it'll work again.
      .
    4. Q. Can I undo all this and get back to original firmware
      A. Yes just flash the original firmware provided in post and reset the device.
      .
    5. Q. I 'accidentally' flashed my recovery and boot partition
      A. Well accidentally I've backed up recovery and boot download from below

      1.
      JMR540_boot_recovery.rar
      2. JMR541_boot_recovery.rar
      .
    6. Q. FAILED: (remote: Image is locked) issue while erasing/flashing image
      A. Jio recently pushed an firmware update which re-locks simlock and bootloader which basically means you can't flash unsigned/custom firmware. Currently there is no fix.







    Mentions:
    Thanks to
    Karuppusamy for testing it on JMR541.


    What about JioFi 2, 4, 5, 6?
    Reverse Engineering takes lot of time and coffee. Until I get physical access to device I won't be able to unlock it. I'm constantly searching them on OLX as soon as I get hands on I'll surely try to RE and unlock it. I'll update the same here if there is no update here at the time of your reading then I haven't got the device yet so please don't spam for update hope you understand that I don't get anything by doing these things, I do it for liberation of locked hardware to meet it's real destiny and of course for the people. I also have a day job so no I cannot guide or teach you, hope you understand why.



    3
    after knowing from u guys about recent update pushed by jio my device wasn't updated so i instantly removed the sim and waiting for update from abhi
    For Jio --- guys u have stopped selling this or selling in 5k -6k like black marketing and nor your devices are built well, if someone has unlocked it what's the problem you have not pushed any update to other models which were previously unlocked now those devices are being sold at higher prices. I am happy that airtel and vi are here otherwise your greediness to capture everything would have led us to ______ no words to describe'
    You can install and test patched firmware auto updates are patched and disabled now, link is in original post. Devices which are already updated, there is no easy fix for them right now. Jio loves their users aww ( throws JioFi in space ).
    3
    bro is unlocking more 4g bands or manual selection of bands can be done ?
    Totally possible even 3G but it can't be done through WebUI it'll requires shell access.
    2
    Working fine but only one issue that it is auto updating to official firmware within couple of days and we need to redo the entire process again.
    Any way to stop the auto update of firmware
    2
    1622625406032.jpeg

    This is completely genius! I am now able to use Airtel sim on my JioFi! Thanks!