EDL Cable and Firehoses

Tools & Resources
1

Just bought a EDL Cable does anyone have experience with these?

2

Yes, I have one. Works well on most any Qualcomm based phone.

3

I need one for my bricked cat s22 flip

4

$10 on ebay or aliexpress.

5

Just takes 3 weeks to come

6

And why can’t I reboot to edl mode? Isn’t that a option?
(I’m not so good with Qualcomm as mediatek)

7

On some devices adb reboot edl works, and on some it doesn’t.

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8

What is a edl cable? You can boot to edl with out that cable?

9

what is edl mode? how does it work? whats so special about it? can someone explain

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10

for the cat s22 flip power it on while holding volume up + volume down

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11

do you have the firehose?

12

I wish. do you have it?

13

was searching for a while, couldn’t find it anywhere

14

This github repository has some edl resources:

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15

Can someone give a detailed explaination what edl/firehoses are?

16

EDL is a special boot mode of Qualcomm CPUs that will run firehose files. These firehose files are executable files that can be loaded into EDL mode over USB. The firehose programs have high level access to the phone hardware, and can be used to read and write the phone ROM. Only official firehose files that are cryptographically signed by the device manufacturer can run, so if the device manufacturer doesn’t release the firehose file, or nobody leaks it, EDL mode cannot be used on that device.

17

So what did you post above

18

The command line tool that lets you use EDL mode. It includes a bunch of firehose files, and will automatically use the correct one if it is available.

19

I have a sonim would i be able to root it with what you posted above

20

I have no personal experience with sonims, so I don’t know.