[Q] How to unlock bootloader? - Nexus S Q&A, Help & Troubleshooting

Rooting a friend's device. Since my GS3's bootloader was unlocked... I'm a little puzzled with this one. How do I do it exactly? I tried reading about it but the guides on youtube/google didn't provide enough good feedback. I know you have to install drivers and such but could some one please link me to this stuff? Many thanks.

DarthDerron said:
Rooting a friend's device. Since my GS3's bootloader was unlocked... I'm a little puzzled with this one. How do I do it exactly? I tried reading about it but the guides on youtube/google didn't provide enough good feedback. I know you have to install drivers and such but could some one please link me to this stuff? Many thanks.
Click to expand...
Click to collapse
akhil17kr said:
does it need to first unlock the phone before rooting the nexus s on official 4.1.2 ????
where to download the root file for 4.1.2 ???
can i follow this guide for first unlock and then installing custom recovery then rooting by installing root file??
http://forum.xda-developers.com/showthread.php?t=895545
Click to expand...
Click to collapse
This guide works well. http://forum.xda-developers.com/showthread.php?t=895545 oldy but still great.
Just use a newer Clockworkmod http://www.clockworkmod.com/rommanager
and super user http://androidsu.com/superuser or SuperSU http://forum.xda-developers.com/showthread.php?t=1538053 (my fav)
The hardest part is PART 1. Many have issues with Device Manager and getting the computer to read your phone properly.
Use this http://junefabrics.com/android
Use this guide for the drivers if necessary also
http://forum.xda-developers.com/showthread.php?t=1901617
:good:

jayjay3333 said:
This guide works well. http://forum.xda-developers.com/showthread.php?t=895545 oldy but still great.
Just use a newer Clockworkmod http://www.clockworkmod.com/rommanager
and super user http://androidsu.com/superuser or SuperSU http://forum.xda-developers.com/showthread.php?t=1538053 (my fav)
The hardest part is PART 1. Many have issues with Device Manager and getting the computer to read your phone properly.
Use this http://junefabrics.com/android
Use this guide for the drivers if necessary also
http://forum.xda-developers.com/showthread.php?t=1901617
:good:
Click to expand...
Click to collapse
Many thanks! Will update if any issues occur.

Here is a step to step guide by me. It will guide you with unlocking the bootloader and flashing latest CWM and TWRP custom recoveries on your Nexus S

DJBhardwaj said:
Here is a step to step guide by me. It will guide you with unlocking the bootloader and flashing latest CWM and TWRP custom recoveries on your Nexus S
Click to expand...
Click to collapse
Thanks, but does this work on 4.1.2.? I've read some root methods only work for ICS/GB

I suggest to you to use the Nexus Root Toolkit that helps you very well with unlocking bootloader, rooting the smartphone with or without recovery and flashing new ROMs

DarthDerron said:
Many thanks! Will update if any issues occur.
Click to expand...
Click to collapse
Just do it the original way and the RIGHT way. No 1 click crap. This way is the Nexus way and the way that you will learn. Adb is important and may be needed later so learn it now. Fastboot is needed if you ever want to flash factory to update, see if it is a ROM issue or a hardware, etc.
Followed my guides
Sent from my Nexus S using xda premium

Related

Noob Rooting Question

This is my first attempt at rooting. The device is a Nexus S (original edition), I just wanted the warranty to expire before I dabbled in this.
So, which method is the best/most current? I've found a lot of tutorials, but I haven't been keeping up to know what the best one is right now.
I'm also still on Gingerbread. Do I need to update to ICS/JB before I root? I plan on running a custom ROM (CM10) on the phone so I'm guessing I don't need to worry about what version I have when I root?
UssjTrunks said:
This is my first attempt at rooting. The device is a Nexus S (original edition), I just wanted the warranty to expire before I dabbled in this.
So, which method is the best/most current? I've found a lot of tutorials, but I haven't been keeping up to know what the best one is right now.
I'm also still on Gingerbread. Do I need to update to ICS/JB before I root? I plan on running a custom ROM (CM10) on the phone so I'm guessing I don't need to worry about what version I have when I root?
Click to expand...
Click to collapse
• Unlock bootloader
• Flash clockwork recovery
• Flash any Rom that you want.
• Flash gapps, enjoy.
That's just a crude way of saying it but you get the idea.
Sent from my Nexus S
seibott said:
• Unlock bootloader
• Flash clockwork recovery
• Flash any Rom that you want.
• Flash gapps, enjoy.
That's just a crude way of saying it but you get the idea.
Sent from my Nexus S
Click to expand...
Click to collapse
This is basically my preference, too. Make sure you use superuser or supersu (my personal preference) for jb.
Sent from my ns4g using Tapatalk 2
UssjTrunks said:
This is my first attempt at rooting. The device is a Nexus S (original edition), I just wanted the warranty to expire before I dabbled in this.
So, which method is the best/most current? I've found a lot of tutorials, but I haven't been keeping up to know what the best one is right now.
I'm also still on Gingerbread. Do I need to update to ICS/JB before I root? I plan on running a custom ROM (CM10) on the phone so I'm guessing I don't need to worry about what version I have when I root?
Click to expand...
Click to collapse
You don't need to update to JB to root but in my opinion you need to update to have a better battery life and to have all new features of JB (butter etc) anyway if you want to use CM10 consider that a lot of custom rom already have root by default.
Consider that you don't need to root to flash a rom, you need root to use root app when you already are in android, so if your purpose is just to flash a new rom, follow the seibott indications without think on how to root.
To flash a rom usually you need just to unlock bootloader and flash a costom recovery, anyway you can find a guide in every rom threads.
Anyway if you want a tool that help you to install driver, flash a partition, root, or just use a temporary custom recovery whitout flash if (for example with this toolkit you can unlock your bootloader, restart your phone in temporary cwm or twrp, flash superuser/supersu to root and come back to your custom recovery rooted and without other modifications) you can read these threads:
http://forum.xda-developers.com/showthread.php?t=1766475
http://forum.xda-developers.com/showthread.php?t=1984858
Consider that this is not a "one click" tool, its a toolkit with a lot of options and features (driver installation tutorial, backup, back to stock, flash a singular partition etc..).
Before learn to use ADB/fastboot commands I started with this toolkit.
Since this your first time rooting i would suggest you use one click root tools..
when i was rooting my phone the first time i tried many of the one click softwares but most of them didn't work.
and finally i got to this forum and found this toolkit ..
here is the link... give it a try: http://forum.xda-developers.com/showthread.php?t=1672708
Worked like a Charm for me
Jok3r10 said:
Since this your first time rooting i would suggest you use one click root tools..
when i was rooting my phone the first time i tried many of the one click softwares but most of them didn't work.
and finally i got to this forum and found this toolkit ..
here is the link... give it a try: http://forum.xda-developers.com/showthread.php?t=1672708
Worked like a Charm for me
Click to expand...
Click to collapse
+1
Worked for me too.
Was on GB then rooted by this ONE CLICK ROOT TOOLKIT and now I'd Tried almost 10 Roms
No need to update for Rooting just use above link and do what M.sabra says..
:victory::highfive:
_hito_ said:
+1
Worked for me too.
Was on GB then rooted by this ONE CLICK ROOT TOOLKIT and now I'd Tried almost 10 Roms
No need to update for Rooting just use above link and do what M.sabra says..
:victory::highfive:
Click to expand...
Click to collapse
Yeah mann .. this was the bestt toolkit that i used.. i mean it doesn't get easier than this

[Q] Noobie, Installing ClockworkMod Recovery for Xoom

Hello, need a little guidance for installing ClockworkMod Recovery for my Xoom, wifi only. I am running 4.1.2 JB and want to go to 4.2 but I need the CWM first. Videos on youtube don't seem to help so any link to a thread or helpful video would be great. Thanks.
The best way to do it is thru adb and fast boot flash. Ill look for a link for you.
I'm a noob too and I did it thru a step by step guide.
Sent from my Nexus 4 using xda premium
try this one: http://forum.xda-developers.com/showthread.php?t=1782235 , instructions are quite clear there already
Use TWRP and you will not miss CMW
StickyFingaz said:
try this one: http://forum.xda-developers.com/showthread.php?t=1782235 , instructions are quite clear there already
Use TWRP and you will not miss CMW
Click to expand...
Click to collapse
I concur
StickyFingaz said:
try this one: http://forum.xda-developers.com/showthread.php?t=1782235 , instructions are quite clear there already
Use TWRP and you will not miss CMW
Click to expand...
Click to collapse
i tried many times to get CWM to work, but tried TWRP and it worked first time! Definitely recommend them.
StickyFingaz said:
try this one: http://forum.xda-developers.com/showthread.php?t=1782235 , instructions are quite clear there already
Use TWRP and you will not miss CMW
Click to expand...
Click to collapse
I have never flashed an android OS before, is there a step by step precedure for TWRP. I'm not to confident in figuring it out. I've jailbroked i devices before but this seems to be more in the programming area. I really would like to get to OS 4.2 but I love my xoom to much to go in without great instruction. Thanks for all the help.
Propking said:
I have never flashed an android OS before, is there a step by step precedure for TWRP. I'm not to confident in figuring it out. I've jailbroked i devices before but this seems to be more in the programming area. I really would like to get to OS 4.2 but I love my xoom to much to go in without great instruction. Thanks for all the help.
Click to expand...
Click to collapse
its really simple..
download this
http://d-h.st/DO4
which is the script version
and follow the instructions listed on the page

can I install a custom rom with unlocked bootloader?[SOLVED]

hi, I just got an unlocked htc inspire and I would like to know if there is any way to install a custom rom without root access. I tried to root it with several tools including the Easy Ace Root Tool and I can't get it rooted. tried from windows with several tools and from linux too with no success. I have rooted other phones in a few minutes ; but for some unknow reason I can't root this one. the bootloader is already unlocked (is has a big pink "unlocked" at the top of the bootloader) and it has also cwm v 5.x... installed. I was thinking of wiping all data and install a custom rom from the sd card, after all I guess I don't need su privileges from the bootloader. but I have found some threads where people who has done it, get stuck on htc screen at boot. so at this point I don't know what to do. any suggestion?
When flashing a ROM on a phone with an unlocked bootloader, you need to flash it in recovery, then fastboot flash the boot.img in the ROM zip.
you need to flash it in recovery
Click to expand...
Click to collapse
should I wipe all data first?
then fastboot flash the boot.img in the ROM zip.
Click to expand...
Click to collapse
now I got lost at this point
it sounds like...flash again?
would you mind to break that down in steps so I can understand it?
Info in the Ace Think Tank.
bananagranola said:
Info in the Ace Think Tank.
Click to expand...
Click to collapse
Ok I'll check it out
Thank you!
Sent from my Desire HD using xda app-developers app
Get it figured out?
< Coming to you live from the planet One X >
enigma2446 said:
Get it figured out?
Click to expand...
Click to collapse
Yes I did. I searched for Ace Think Tank and found this good thread:
http://forum.xda-developers.com/showpost.php?p=31211732&postcount=396&nocache=1&z=8270731476524836
but for some reason it didn't work for me. When it started the 4ext Touch Recovery flashing, it stopped with an error. I guess it was in conflict with CWM which I had installed, I am not sure. But he also explains on his post that the "recommended way" is to flash it with the Advanced Ace Hack Kit; but first you need to get the bootloader locked back. That was what I was trying to avoid but since I had no option I used Easy Ace Root Tool to lock the bootloader (Option 5). Then I downloaded AAHK(the last version I could find googling) and I finally got the phone rooted and installed a custom rom. Here are the links for the tools I used:
Easy Ace Root Tool
file-size:21mb
http://goo.gl/IhT7Fc
AAHK(Read the efffen-manual inside the folder for instructions)
file-size:96mb
http://goo.gl/QnjSsx

In Dying Need of Help

I seriously hope that someone can help me. I have been trying to root and update my HTC Inspire for four days now and have not had ANY luck. I have watched every single youtube video, read countless threads, visited numerous websites and I have not had any luck. I REALLY want to update my phone to ICS and eveything I have searched tells me I have to root it first. Obviously this is my first time rooting and I am not having any luck. I have Jailbroke countless iPhones with ease but rooting is so much more complicated to me. Does anyone have any info to help me out? Links? Step-by-step instructions? ANYTHING would be greatly appreciated!
QueenRoberts said:
I seriously hope that someone can help me. I have been trying to root and update my HTC Inspire for four days now and have not had ANY luck. I have watched every single youtube video, read countless threads, visited numerous websites and I have not had any luck. I REALLY want to update my phone to ICS and eveything I have searched tells me I have to root it first. Obviously this is my first time rooting and I am not having any luck. I have Jailbroke countless iPhones with ease but rooting is so much more complicated to me. Does anyone have any info to help me out? Links? Step-by-step instructions? ANYTHING would be greatly appreciated!
Click to expand...
Click to collapse
We'd need a little more information about what you've done already. Start with the Ace Think Tank thread in DHD General.
bananagranola said:
We'd need a little more information about what you've done already. Start with the Ace Think Tank thread in DHD General.
Click to expand...
Click to collapse
I don't know if I have tried the Ace Think Tank. I have managed to Unlock my Bootloader and download CWM. Through CWM I downloaded and installed this ROM. http://forum.xda-developers.com/showthread.php?t=1810461
But its NOT ICS which is what I'm wanting to do.
As for the methods I have tried they are:
Ace Advanced Hack Kit
http://forum.xda-developers.com/showthread.php?t=2377905
Poot
And a few more I am unable to think of.
It took me forever just to learn how to install CWM but through Ace Hack Kit I was able to by going into options.
I've also had the issue of my computer not reading my phone while it was in HBoot mode or recovery mode.
So thats where I am now and I now I am trying to upgrade to ICS.
Darn I'm rusty. Do you have whatchamacallit installed on your computer? Adb.... Phew, took me a bit to remember that
Sent from my Desire HD using Tapatalk 2
QueenRoberts said:
I don't know if I have tried the Ace Think Tank. I have managed to Unlock my Bootloader and download CWM. Through CWM I downloaded and installed this ROM. http://forum.xda-developers.com/showthread.php?t=1810461
But its NOT ICS which is what I'm wanting to do.
As for the methods I have tried they are:
Ace Advanced Hack Kit
http://forum.xda-developers.com/showthread.php?t=2377905
Poot
And a few more I am unable to think of.
It took me forever just to learn how to install CWM but through Ace Hack Kit I was able to by going into options.
I've also had the issue of my computer not reading my phone while it was in HBoot mode or recovery mode.
So thats where I am now and I now I am trying to upgrade to ICS.
Click to expand...
Click to collapse
Okay, you need some clarification.
AAHK1 is retired and unsupported. It won't work for you without some fiddling. It's used to get S-Off. Since you already unlocked your bootloader, you don't need it to flash a custom ROM.
The stock firmware you tried to flash won't be ICS. DHD stock firmware ends with GB.
The custom ROM you tried to flash (as well as any other custom ROM) requires that you: 1. flash it in CWM. 2. fastboot flash the boot.img in the ROM zip.
Teichopsia said:
Darn I'm rusty. Do you have whatchamacallit installed on your computer? Adb....
Click to expand...
Click to collapse
No I do not believe that I have that installed on my computer. Do you know where/how I can install it?
bananagranola said:
Okay, you need some clarification.
AAHK1 is retired and unsupported. It won't work for you without some fiddling. It's used to get S-Off. Since you already unlocked your bootloader, you don't need it to flash a custom ROM.
The stock firmware you tried to flash won't be ICS. DHD stock firmware ends with GB.
The custom ROM you tried to flash (as well as any other custom ROM) requires that you: 1. flash it in CWM. 2. fastboot flash the boot.img in the ROM zip.
Click to expand...
Click to collapse
Okay so now I understand why AAHK1 is not working for me. I did not realize that it was unsupported. Also, the only reason I flashed the DHD stock firmware is just to get my phone rooted since I was unable to figure it out myself. Do you know of a ROM that has ICS that I can flash or do I have to install the original stock ROM without it being rooted then root it myself and install another ROM that has ICS?
I've learned how to flash a custom ROM. I have CWM downloaded thanks to youtube and the video also showed me how to flash a ROM. So I am able to do that.
You don't need root to flash a ROM, just an unlocked or S-Off bootloader. You have an unlocked one, so that works. Flash a ROM from CWM, then fastboot flash the boot.img in the ROM zip. The Ace Think Tank thread has links for that.
bananagranola said:
You don't need root to flash a ROM, just an unlocked or S-Off bootloader. You have an unlocked one, so that works. Flash a ROM from CWM, then fastboot flash the boot.img in the ROM zip. The Ace Think Tank thread has links for that.
Click to expand...
Click to collapse
Okay. THANK YOU. I will try to do this.
bananagranola said:
You don't need root to flash a ROM, just an unlocked or S-Off bootloader. You have an unlocked one, so that works. Flash a ROM from CWM, then fastboot flash the boot.img in the ROM zip. The Ace Think Tank thread has links for that.
Click to expand...
Click to collapse
Okay so I know how to flash a ROM from CWM but what is fastboot flash the boot.img in the ROM zip???? I ha tried to install 2 ICS ROMS and neither have worked. What am I doing wrong now??
QueenRoberts said:
Okay so I know how to flash a ROM from CWM but what is fastboot flash the boot.img in the ROM zip???? I ha tried to install 2 ICS ROMS and neither have worked. What am I doing wrong now??
Click to expand...
Click to collapse
Like I said, check the Ace Think Tank thread for links on how to do that.
bananagranola said:
Like I said, check the Ace Think Tank thread for links on how to do that.
Click to expand...
Click to collapse
THANK YOU SO MUCH!!! I have finally figured out how to do everything. I am running 4.3.1 now!!!! I am so happy!!!!:laugh:
QueenRoberts said:
THANK YOU SO MUCH!!! I have finally figured out how to do everything. I am running 4.3.1 now!!!! I am so happy!!!!:laugh:
Click to expand...
Click to collapse
Congratulations! Good luck.

Back to android 5

Hi I'm new, how have I got an acatel Idol 3 (6045 Y)
Well I'll have Idol 3 updated to version 6.0,
I'd like to know how I can go back / downgrade to Android 5
I've already done the hard reset, the cache wipe, but nothing stays the same
Greetings and thanks
Joselito.98 said:
Hi I'm new, how have I got an acatel Idol 3 (6045 Y)
Well I'll have Idol 3 updated to version 6.0,
I'd like to know how I can go back / downgrade to Android 5
I've already done the hard reset, the cache wipe, but nothing stays the same
Greetings and thanks
Click to expand...
Click to collapse
You need to downgrade, only with rom if someone have it.
persona78 said:
You need to downgrade, only with rom if someone have it.
Click to expand...
Click to collapse
With adb? Because it does not work for me, remote command unknown
I've tried everything, that error happens when flashing twrp
regards
Joselito.98 said:
With adb? Because it does not work for me, remote command unknown
I've tried everything, that error happens when flashing twrp
regards
Click to expand...
Click to collapse
Is because with the update you loose bootloader commands ( fastboot)
So, you need to root, after root install Rashr from Google play, with Rashr you can flash twrp, with twrp you can flash aboot.img from 5.0.2 version with a flash zip then you recover bootloader commands like this.
persona78 said:
Is because with the update you loose bootloader commands ( fastboot)
So, you need to root, after root install Rashr from Google play, with Rashr you can flash twrp, with twrp you can flash aboot.img from 5.0.2 version with a flash zip then you recover bootloader commands like this.
Click to expand...
Click to collapse
The problem is there, I want to twrp to do root.
The question is not to get recovery custon, but root
I tried it with adb, but I got the same error ...
regards
Joselito.98 said:
The problem is there, I want to twrp to do root.
The question is not to get recovery custon, but root
I tried it with adb, but I got the same error ...
regards
Click to expand...
Click to collapse
What he's saying is that without fastboot the only way you can flash a ROM is through TWRP. You need to root and then install TWRP, and then install the ROM. Also, if you're doing any kind of reflashing; to do so without a custom recovery is risky at best.
magus7091 said:
What he's saying is that without fastboot the only way you can flash a ROM is through TWRP. You need to root and then install TWRP, and then install the ROM. Also, if you're doing any kind of reflashing; to do so without a custom recovery is risky at best.
Click to expand...
Click to collapse
That's it, but I mean I can not flash the twrp nor the root, I get: unknown remote command
Joselito.98 said:
That's it, but I mean I can not flash the twrp nor the root, I get: unknown remote command
Click to expand...
Click to collapse
You get this because you don't have fastboot any more!!
Do you get this?
You must find another way to root, maybe kingroot!
persona78 said:
You get this because you don't have fastboot any more!!
Do you get this?
You must find another way to root, maybe kingroot!
Click to expand...
Click to collapse
If I have adb and fastboot, with kingroot not working
Now I make a video

			
				
Joselito.98 said:
That's it, but I mean I can not flash the twrp nor the root, I get: unknown remote command
Click to expand...
Click to collapse
Look at this thread to get TWRP and root. Works perfectly; I went through this procedure several times on 6045I. Just read carefully to understand the steps; there are couple of other threads that are linked from this one.
kt-Froggy said:
Look at this thread to get TWRP and root. Works perfectly; I went through this procedure several times on 6045I. Just read carefully to understand the steps; there are couple of other threads that are linked from this one.
Click to expand...
Click to collapse
Now take a look, and in step 1 put the twrp but only for idol 4, not for mine
Joselito.98 said:
Now take a look, and in step 1 put the twrp but only for idol 4, not for mine
Click to expand...
Click to collapse
Yes, the TWRP steps are described for Idol 4, but the process works perfectly fine for 6045. That thread is a compilation of steps from few other threads that are linked from there; some may not be specifically for our model, but they work. Just read carefully and make sure you understand. It's quite normal on XDA, when you find some info from another device's forum, and adapt it to your device. Like I said, I did this myself on 6045I at least 3-4 times, while fooling around with the phone after I got it.
kt-Froggy said:
Yes, the TWRP steps are described for Idol 4, but the process works perfectly fine for 6045. That thread is a compilation of steps from few other threads that are linked from there; some may not be specifically for our model, but they work. Just read carefully and make sure you understand. It's quite normal on XDA, when you find some info from another device's forum, and adapt it to your device. Like I said, I did this myself on 6045I at least 3-4 times, while fooling around with the phone after I got it.
Click to expand...
Click to collapse
But does it work with android 6?
And if I get the same error?
Hello ? Can someone help me please
kt-Froggy said:
Yes, the TWRP steps are described for Idol 4, but the process works perfectly fine for 6045. That thread is a compilation of steps from few other threads that are linked from there; some may not be specifically for our model, but they work. Just read carefully and make sure you understand. It's quite normal on XDA, when you find some info from another device's forum, and adapt it to your device. Like I said, I did this myself on 6045I at least 3-4 times, while fooling around with the phone after I got it.
Click to expand...
Click to collapse
Hello, I followed all the steps of this post, but there is a problem, idol 3 6045Y, there is no download mode, as you did
regards
PS: Thank you
Hi, why are not I going? I tried the sahara and firehose
I do everything well does not come out, no error, but at the time of starting the recovery leaves the factory.
I tried that twrp and also several more, but being all ok, I do not know why it's not going
regards
I have tried the Sahara again in every possible way.
And if with the sahara I try to put a rom with android 5?
And what about the flashtool?
regards
Joselito.98 said:
I have tried the Sahara again in every possible way.
And if with the sahara I try to put a rom with android 5?
Click to expand...
Click to collapse
You can't use Sahara & Firehose for flashing the ROM. It will only let you to flash the recovery (TWRP).
You have to understand that you need to go through several steps here...
1. Your goal is to downgrade to 5.x. You can't flash a 5.x official stock ROM, because the only way to flash stock is to use Mobile Upgrade Q, and you already got an update to 6.0 for your phone. Your only choice is to find a 5.x ROM that can be flashed from TWRP.
2. So, you need to install TWRP. I recommended using Sahara & Firehose, because this method works for me every time with no problems. I pointed you to the thread with ALL the information you need. If it doesn't work for you, I don't know why. Maybe you don't have the proper drivers installed? You need the drivers before you try doing anything with your phone from your PC. Maybe you have a bad USB cable or port? Maybe something else? I have no idea... I simply told you what works for me 100%.
3. There may be another way, if you somehow root you phone first, then flash TWRP using Rashr, for example. But I don't know how to root it. I only rooted it by flashing SuperSU, after I already had TWRP installed, so I can't help you with this...
Most importantly, you need to understand what you are doing, why you need to do specific steps, and the purpose of all the tools you use...
kt-Froggy said:
You can't use Sahara & Firehose for flashing the ROM. It will only let you to flash the recovery (TWRP).
You have to understand that you need to go through several steps here...
1. Your goal is to downgrade to 5.x. You can't flash a 5.x official stock ROM, because the only way to flash stock is to use Mobile Upgrade Q, and you already got an update to 6.0 for your phone. Your only choice is to find a 5.x ROM that can be flashed from TWRP.
2. So, you need to install TWRP. I recommended using Sahara & Firehose, because this method works for me every time with no problems. I pointed you to the thread with ALL the information you need. If it doesn't work for you, I don't know why. Maybe you don't have the proper drivers installed? You need the drivers before you try doing anything with your phone from your PC. Maybe you have a bad USB cable or port? Maybe something else? I have no idea... I simply told you what works for me 100%.
3. There may be another way, if you somehow root you phone first, then flash TWRP using Rashr, for example. But I don't know how to root it. I only rooted it by flashing SuperSU, after I already had TWRP installed, so I can't help you with this...
Most importantly, you need to understand what you are doing, why you need to do specific steps, and the purpose of all the tools you use...
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Here you have all the procedure "well done" of how to download twrp with the sahara, and you will see that it does not work ...
https://vimeo.com/210311115

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