Add all USA GSM and LTE bands to QIN 1s+ Spreadtrum A53 chip

This project is for a data network and kernel expert.

I need to add all USA frequency 4g LTE bands to this phone QIN 1s+ so that it works in the USA... It has spreadtrum A53 chip

I have the phone with me and :

1. AT&T doesn’t recognize it as a 4g phone (but phone calls and text messages works only on HSPA+)

2. T-Mobile recognizes 4g internet but not 4g phone calls

This is the phone

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Skills: Android, C Programming, Software Development, iOS Development, Linux

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About the Employer:
( 11 reviews ) lakewood, United States

Project ID: #31064700

13 freelancers are bidding on average $554 for this job


Hello, Upon reading the job details I would say that all the required skills Software Development, iOS Development, C Programming, Linux and Android fall under my skills. I work on freelancer full time and I believe I More

$750 USD in 26 days
(46 Reviews)

Hi there. I am a full stack developer with experience in iOS Development, Android, Software Development, Linux and C Programming. I have worked with many similar projects as i have a team of enthusiastic developers. W More

$750 USD in 25 days
(11 Reviews)

Hello, As I take this project, I will do my best! I can support on your project perfectly. Please send me your message and let's discuss more detail. Thanks.

$500 USD in 7 days
(20 Reviews)

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$250 USD in 1 day
(23 Reviews)

Hi We are a mobile APP developer (frontend & backend) and consultant with more than 8 years of experience and ready to Add all USA GSM and LTE bands to QIN 1s+ Spreadtrum A53 chip Please share more details. Kind More

$500 USD in 7 days
(23 Reviews)

hello, I have seen that you need an experienced C++ expert for GSM and LTE bands to QIN 1s+ Spreadtrum A53 chip . I am a professional C++ expert with more than 10 years experience. I have carefully understood your More

$500 USD in 10 days
(2 Reviews)

hi, how are you ? I have read the project detail and really interested in your project. Its doable task as per my experience and skills. I have great experience doing similar jobs regarding to these skills Linux, C Pro More

$750 USD in 18 days
(2 Reviews)

Hi, I have built the 5GSignalizer app before for andrid version. I have good skilled in mobile app dev with Android and IOS native. Also, I can get the brand of frequency of 4G and 5G. Would you please have a chat with More

$500 USD in 10 days
(2 Reviews)

Hello! I am a professional mobile programmer for more than 5 years background with Software Development, Linux, C Programming, Android and iOS Development. Usually I work with environment - Android Studio and Xcode and More

$500 USD in 5 days
(1 Review)

Hey! Very Thanks for your positing "Add all USA GSM and LTE bands to QIN 1s+ Spreadtrum A53 chip" and i read description As an Senior Full stack developer i have strong experience in iOS Development, C Programming, So More

$450 USD in 5 days
(0 Reviews)

Hi! I have just read your project Add all USA GSM and LTE bands to QIN 1s+ Spreadtrum A53 chip and very interested in it. I am a software developer who well skilled for this project and skills Software Development, C More

$500 USD in 6 days
(0 Reviews)

Hi I have gone through your requirements and I am very interested in discussing further regarding the website. I have strong experience in developing websites using Linux, Android, Software Development, C Programming More

$500 USD in 5 days
(0 Reviews)

This is carrier specific and you may need to find 1) what bands are supported by AT&T and T Mobile in US - 4G LTE 2) You phone has protected zone where all bands support and calibration related configuration ( speci More

$750 USD in 7 days
(0 Reviews)