Upload two or more single files in framework7 not multiple files

Hello everyone, i want to upload two separate files along a form, but i am finding hard to achieve.

SCREENSHOT

CODE

<form id="edit-profile-form" action="{{$root.settings.apiUrl}}/api/v1/users" method="POST" enctype="multipart/form-data">
      <input id="usertype" type="hidden" name="user_type" value="user">
      <div class="block">
         <div class="row resizable">
            <div class="col-100">
              <div class="list">
                <ul>
                  <li class="item-content item-input">
                    <div class="item-inner">
                      <div class="img-circle-box">
                        <img id="profile-pic" src="{{ customerPic }}" alt="Profile Picture" class="d-none">
                        <label for="file_input">
                          <i id="camera-upload" class="fa fa-camera fa-3x white-text text-shadow pointer img-circle-box-icon"></i>
                        </label>
                        <input id="file_input" type="file" name="profile_pic" />
                      </div>
                      <h5 class="text-center text-size-10 josefin-sans-bold-font light-grey-text-color go-down-a-bit-20">
                          Click the camera icon to upload image
                      </h5>
                      <style>
                        #file_input {
                          display: none;
                        }
                      </style>
                    </div>
                  </li>
                  <li class="item-content item-input">
                    <div class="item-inner">
                      <div class="item-title item-floating-label">Full name</div>
                      <div class="item-input-wrap">
                        <input id="fullname" type="text" name="name" required validate data-error-message="Only text please!" placeholder="Enter your full name">
                        <span class="input-clear-button"></span>
                      </div>
                    </div>
                  </li>
                  <li class="item-content item-input">
                    <div class="item-inner">
                      <div class="item-title item-floating-label">Email Address</div>
                      <div class="item-input-wrap">
                        <input id="email" type="email" name="email" required validate data-error-message="Only email address please!" placeholder="Email address">
                        <span class="input-clear-button"></span>
                      </div>
                    </div>
                  </li>
                  <li class="item-content item-input">
                    <div class="item-inner">
                      <div class="item-title item-floating-label">Phone</div>
                      <div class="item-input-wrap">
                        <input id="phone" type="text" name="phone" required validate data-error-message="Only 11 pin digits please!" placeholder="Phone e.g 07000000000">
                        <span class="input-clear-button"></span>
                      </div>
                    </div>
                  </li>
                  <li class="item-content item-input">
                    <div class="item-inner">
                      <div class="item-title item-floating-label">Address</div>
                      <div class="item-input-wrap">
                        <input id="address" type="text" name="address" required placeholder="Address e.g Mile 12, Lagos">
                        <span class="input-clear-button"></span>
                      </div>
                    </div>
                  </li>
                  <li class="item-content item-input">
                    <div class="item-inner">
                      <div class="item-title item-floating-label">State</div>
                      <div class="item-input-wrap">
                        <input id="state" type="text" name="state" required placeholder="State e.g">
                        <span class="input-clear-button"></span>
                      </div>
                    </div>
                  </li>
                  <li class="item-content item-input">
                    <div class="item-inner">
                      <div class="item-title item-floating-label">LGA (Local Goverment Area)</div>
                      <div class="item-input-wrap">
                        <input id="lga" type="text" name="lga" required placeholder="LGA e.g Lekki">
                        <span class="input-clear-button"></span>
                      </div>
                    </div>
                  </li>
                  <li class="item-content item-input">
                    <div class="item-inner">
                      <div class="item-title item-floating-label">Upload ID</div>
                      <div class="item-input-wrap">
                        <input id="id" type="file" name="id" required />
                        <span class="input-clear-button"></span>
                      </div>
                    </div>
                  </li>
                  <li class="item-content item-input">
                    <div class="item-inner">
                      <div class="item-title item-floating-label">Vehicle Specialization</div>
                      <div class="item-input-wrap">
                        <input id="vehicle_specialization" type="text" name="vehicle_specialization" required placeholder="Vehicle Specialization e.g Toyota">
                        <span class="input-clear-button"></span>
                      </div>
                    </div>
                  </li>
                  <li class="item-content item-input">
                    <div class="item-inner">
                      <div class="item-title item-floating-label">Work Specialization</div>
                      <div class="item-input-wrap">
                        <input id="work_specialization" type="text" name="work_specialization" required placeholder="Work Specialization">
                        <span class="input-clear-button"></span>
                      </div>
                    </div>
                  </li>
                  <li class="item-content item-input">
                    <div class="item-inner">
                      <div class="item-title item-floating-label">Years of Practice</div>
                      <div class="item-input-wrap">
                        <input id="years_of_practice" type="text" name="years_of_practice" required placeholder="Years of Practice e.g 2 years">
                        <span class="input-clear-button"></span>
                      </div>
                    </div>
                  </li>
                  <li class="item-content item-input">
                    <div class="item-inner">
                      <div class="item-title item-floating-label"> Guarantor Name</div>
                      <div class="item-input-wrap">
                        <input id="guarantor_name" type="text" name="guarantor_name" required placeholder="Guarantor Name e.g Mr Adekunle">
                        <span class="input-clear-button"></span>
                      </div>
                    </div>
                  </li>
                  <li class="item-content item-input">
                    <div class="item-inner">
                      <div class="item-title item-floating-label"> Workshop Address </div>
                      <div class="item-input-wrap">
                        <input id="workshop_address" type="text" name="workshop_address" required placeholder="Workshop Address e.g Plot 567b Festac Town, Lagos">
                        <span class="input-clear-button"></span>
                      </div>
                    </div>
                  </li>
                  <input id="user-id" type="hidden" name="user-id" value="{{ customerId }}">
                </ul>
              </div>
            </div>
          </div>
      </div>
      <div class="block">
       <div class="row resizable">
        <div class="col-100">
          <button id="complete-profile" class="col button button-large button-fill g-button-wide" type="submit">Update</button>
        </div>
      </div>
      </div>
    </form>

$( "#edit-profile-form" ).submit(function( event ) {

          event.preventDefault();

          var formData = new FormData();
          var files = $('#file_input')[0].files;

          formData.append( 'profile_pic', $('#file_input')[0].files[0]);
          formData.append("name", $( "#fullname" ).val() );
          formData.append("email", $( "#email" ).val() );
          formData.append("phone", $( "#phone" ).val() );
          formData.append("address", $( "#address" ).val() );
          formData.append("state", $( "#state" ).val() );
          formData.append("lga", $( "#lga" ).val() );
          formData.append("id", $('#id') ); // MY ISSUE
          formData.append("vehicle_specialization", $( "#vehicle_specialization" ).val() );
          formData.append("work_specialization", $( "#work_specialization" ).val() );
          formData.append("years_of_practice", $( "#years_of_practice" ).val() );
          formData.append("guarantor_name", $( "#guarantor_name" ).val() );
          formData.append("workshop_address", $( "#workshop_address" ).val() );
          formData.append("user-id", $( "#user-id" ).val() );
                      

          //formData.append('file',files[0]);

          $.ajax({
            url: app.data.settings.apiUrl + "/api/v1/edit-mech-data",
            method: "POST",
            data: formData,
            cache: false,
            mimeType: 'multipart/form-data',
            processData: false,
            contentType: false,
          }).done(function(data) {
               // SOME CODE HERE...
          }

I can not see in your example where you try to attach multiple files

i have two single file to upload,

a profile picture and a document.

Same

formData.append( 'id', $('#id')[0].files[0]);