USA Dudu7 Sim help.

Skillzo1

picasso1850

I dont understand wth is going on with mine then. Smh

picasso1850

Skillzo1 positioning of 4G antenna?

Skillzo1

picasso1850

Actually the t mobile sim is working very well. Guess ill be sticking with it. Much more reliable then the rest.

If anyone else is reading this and you have a verizon sim… .please report your experience with trying it in the dudu7.

Isk

Skillzo1

Was getting your Tmobile sim working tricky in anyway? Did you just add a line or are you using pre-paid?

kaiiser

Skillzo1 I'm using a Verizon sim and am not having a good time. Takes forever for 4g to connect after waking the head unit. Randomly drops 4g connection completely causing issues with navigation and music steaming making the whole experience rather terrible.

Skillzo1

Isk my girlfirend has a t mobile account. I have a friend that works for t mobile. They activated a device in her account and gave me the sim. Popped it in and thats it.

Isk

Okay thanks, no crazy api or imei stuff to worry about in your case.

Skillzo1

Isk no but again i new someone at t mobile. Getting a sim was the issue with verizon. Not sure if t mobile is the same way but i dont think so. Verizon activates a device thru its imei number. And if its not compitable when trying to register it… they wont give you a sim. T mobile may be a little different.

picasso1850

Skillzo1 If you havent tried, I'd just give verizon a compatible imei and get the APN info...like i did with tmobile.

Skillzo1

picasso1850 i have… on my verizon account… the imei is correct for the device i added which is a samsung tablet. They just used a dummy imei/tablet to bypass that part of the registration. Then your allowed to enter the correct imei which is correct on my account for the device. The apn is also correct with pin unlocked. Google search reveals it is the correct verizon apn and others are using it for different devices.

I did not however register the dudus imei # to the sim. Im not sure if thats possible. Maybe i can poasibly get them to try that. But im not sure that would matter as plenty of people pop a sim out of a different device and transfer that sim to a new device with different imei.

I would really like to here another users experience with a verizon sim. The t mobile sim has very very limited drops and connects fast. The verizon is complete opposite.

kaiiser

Skillzo1 I am having the same exact problem. It takes minutes for the data to kick in after the head unit wakes from sleep. The data still randomly turns off which has been affecting music and navigation.

Skillzo1

kaiiser i have unwillingly moved to a t mobile sim. I wanted verizon sim for mentioned reasons above. But i could not get it to work consistently. I had all the issues your mentioning.

One thing i would have liked to try is changing the imei on the radio to match the verizon sim/device. There is a way to change the imei on the radio. I didnt know this till it was too late and i cancelled my verizon added device. Maybe if the dudu radio imei matches the verizon device imei it will work better. But im not going to spend the $ again to add a device and try. LMK PLEASE if you try doing this and report back.

Other then that my tmobile sim has been working pretty darn good.

kaiiser

Skillzo1 I did change the imei for my verizon sim and even that did not help. I have a Tello sim coming in a few days that I will try out and hopefully it works.

kaiiser

Skillzo1 Brother. Today I tried something I saw mentioned in another forum. Someone said to put some paper between the sim and the metal bracket that holds the sim down. Apparently this sim card slot is not very good and needs more pressure. I cut three small pieces of paper and used that in between the sim and the metal bracket. I drove around for an hour and had no issues with drops in data. It still took a minute for the data to connect when waking the device but so far the results has been much better! Will keep testing to see if this really was just an issue with the sim card slot not having good enough contact.

Skillzo1

kaiiser did u change the radio imei to match your verizon sim tho?

picasso1850

I received an email from my provider the other day about device incompatibility. I completed the IMEI.txt conversion and the Android settings on my Dudu7 now show the new information (displaying cell phone IMEI). I'll let you know if Astound shuts me off next week, haha...

Skillzo1

kaiiser hope it works out… .please report back.

kaiiser

Skillzo1 Brother. Tello seems to be the way to go. I have not had any issues with this sim. The carrier connect to data within seconds of the head unit waking from sleep. I have no disconnect problems. It has been perfect. Unfortunately the Verizon sim never stopped having problems. Took forever to connect and the data drops kept happening. I recommend the Tello sim for sure. I hope it works out for you!

Skillzo1

kaiiser exactly what i found with verizon. My tmobile sim has been working just fine.

kaiiser

Skillzo1 have you been having any issues here? I still with Tello. I don’t as many drops as I had with Verizon. But the data does drop from 4g to EDGE and it makes the HU unusable. Did you swap the EMEI?

DUDU-Meng

kaiiser
After automatically switching from 4G to EDGE, will it switch back to 4G?

Skillzo1

kaiiser t mobile works the best for me. Tello 2nd best… verizon 3rd. I only tried the 3. Tello dropped but not as much as verizon and connected faster thrn verizon. T mobile still drops in some areas but has far less drops and connects the fastest.

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